{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-43284 exists.","fix":"Apply the vendor's patch.","what":"CVE-2026-43284 is a high-severity memory corruption vulnerability in Linux kernel, published on 8 May 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-43284 and fix it if it is affected.\n\nWhat it is: CVE-2026-43284 is a high-severity memory corruption vulnerability in Linux kernel, published on 8 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-43284 exists.\n\nAffected product: Linux kernel. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-43284/ (Markdown: https://insights.sbomify.com/CVE-2026-43284/index.md)","id":"CVE-2026-43284","markdown":"https://insights.sbomify.com/CVE-2026-43284/index.md","name":"CVE-2026-43284","record":{"aliases":["ALSA-2026:16195","ALSA-2026:16196","ALSA-2026:16206","ALSA-2026:A004","ALSA-2026:A005","ALSA-2026:A006","ALSA-2026:A007","AZL-86133","BELL-CVE-2026-43284","CLSA-2026-1778261513","DEBIAN-CVE-2026-43284","GHSA-mmw8-mxmc-8w2r","MGASA-2026-0131","MGASA-2026-0132","RHSA-2026:16061","RHSA-2026:16062","RHSA-2026:16100","RHSA-2026:16195","RHSA-2026:16196","RHSA-2026:16201","RHSA-2026:16202","RHSA-2026:16203","RHSA-2026:16204","RHSA-2026:16206","RHSA-2026:16254","RHSA-2026:16312","RHSA-2026:16314","RHSA-2026:16328","RHSA-2026:17795","RHSA-2026:18025","RHSA-2026:19564","RHSA-2026:19572","RHSA-2026:19573","RHSA-2026:19574","RHSA-2026:19575","RHSA-2026:19577","RLSA-2026:16062","RLSA-2026:16195","RLSA-2026:16196","RLSA-2026:16206","ROOT-OS-DEBIAN-11-CVE-2026-43284","ROOT-OS-DEBIAN-12-CVE-2026-43284","SUSE-SU-2026:1825-1","SUSE-SU-2026:1857-1","SUSE-SU-2026:1858-1","SUSE-SU-2026:1873-1","SUSE-SU-2026:1875-1","SUSE-SU-2026:1877-1","SUSE-SU-2026:1878-1","SUSE-SU-2026:1880-1","SUSE-SU-2026:1885-1","SUSE-SU-2026:1896-1","SUSE-SU-2026:1905-1","SUSE-SU-2026:1906-1","SUSE-SU-2026:1917-1","SUSE-SU-2026:1960-1","SUSE-SU-2026:1994-1","SUSE-SU-2026:1997-1","SUSE-SU-2026:21647-1","SUSE-SU-2026:21648-1","SUSE-SU-2026:21649-1","SUSE-SU-2026:21650-1","SUSE-SU-2026:21651-1","SUSE-SU-2026:21652-1","SUSE-SU-2026:21653-1","SUSE-SU-2026:21654-1","SUSE-SU-2026:21655-1","SUSE-SU-2026:21656-1","SUSE-SU-2026:21657-1","SUSE-SU-2026:21658-1","SUSE-SU-2026:21659-1","SUSE-SU-2026:21660-1","SUSE-SU-2026:21661-1","SUSE-SU-2026:21662-1","SUSE-SU-2026:21663-1","SUSE-SU-2026:21664-1","SUSE-SU-2026:21665-1","SUSE-SU-2026:21666-1","SUSE-SU-2026:21667-1","SUSE-SU-2026:21668-1","SUSE-SU-2026:21669-1","SUSE-SU-2026:21670-1","SUSE-SU-2026:21671-1","SUSE-SU-2026:21672-1","SUSE-SU-2026:21691-1","SUSE-SU-2026:21692-1","SUSE-SU-2026:21693-1","SUSE-SU-2026:21694-1","SUSE-SU-2026:21695-1","SUSE-SU-2026:21696-1","SUSE-SU-2026:21697-1","SUSE-SU-2026:21698-1","SUSE-SU-2026:21699-1","SUSE-SU-2026:21700-1","SUSE-SU-2026:21701-1","SUSE-SU-2026:21702-1","SUSE-SU-2026:21703-1","SUSE-SU-2026:21705-1","SUSE-SU-2026:21706-1","SUSE-SU-2026:21707-1","SUSE-SU-2026:21708-1","SUSE-SU-2026:21709-1","SUSE-SU-2026:21710-1","SUSE-SU-2026:21711-1","SUSE-SU-2026:21712-1","SUSE-SU-2026:21713-1","SUSE-SU-2026:21714-1","SUSE-SU-2026:21715-1","SUSE-SU-2026:21716-1","SUSE-SU-2026:21717-1","SUSE-SU-2026:21759-1","SUSE-SU-2026:21760-1","SUSE-SU-2026:21761-1","SUSE-SU-2026:21762-1","SUSE-SU-2026:21763-1","SUSE-SU-2026:21764-1","SUSE-SU-2026:21765-1","SUSE-SU-2026:21766-1","SUSE-SU-2026:21767-1","SUSE-SU-2026:21770-1","SUSE-SU-2026:21771-1","SUSE-SU-2026:21772-1","SUSE-SU-2026:21773-1","SUSE-SU-2026:21774-1","SUSE-SU-2026:21775-1","SUSE-SU-2026:21776-1","SUSE-SU-2026:21777-1","SUSE-SU-2026:21778-1","SUSE-SU-2026:21806-1","SUSE-SU-2026:21808-1","SUSE-SU-2026:21809-1","SUSE-SU-2026:21810-1","SUSE-SU-2026:21811-1","SUSE-SU-2026:21812-1","SUSE-SU-2026:21816-1","SUSE-SU-2026:21817-1","SUSE-SU-2026:21818-1","UBUNTU-CVE-2026-43284"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["code_execution","privilege_escalation"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel","requires_auth":"low_privilege","summary":"A memory corruption vulnerability in the Linux kernel's ESP decryption path allows attackers to corrupt shared memory, potentially leading to code execution or privilege escalation.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":8.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-123","name":"Write-what-where Condition"}],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: esp: avoid in-place decrypt on shared skb frags\n\nMSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP\nmarks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter(),\nso later paths that may modify packet data can first make a private\ncopy. The IPv4/IPv6 datagram append paths did not set this flag when\nsplicing pages into UDP skbs.\n\nThat leaves an ESP-in-UDP packet made from shared pipe pages looking\nlike an ordinary uncloned nonlinear skb. ESP input then takes the no-COW\nfast path for uncloned skbs without a frag_list and decrypts in place\nover data that is not owned privately by the skb.\n\nMark IPv4/IPv6 datagram splice frags with SKBFL_SHARED_FRAG, matching\nTCP. Also make ESP input fall back to skb_cow_data() when the flag is\npresent, so ESP does not decrypt externally backed frags in place.\nPrivate nonlinear skb frags still use the existing fast path.\n\nThis intentionally does not change ESP output. In esp_output_head(),\nthe path that appends the ESP trailer to existing skb tailroom without\ncalling skb_cow_data() is not reachable for nonlinear skbs:\nskb_tailroom() returns zero when skb-\u003edata_len is nonzero, while ESP\ntailen is positive. Thus ESP output will either use the separate\ndestination-frag path or fall back to skb_cow_data().","ecosystems":["AlmaLinux:10","AlmaLinux:8","AlmaLinux:9","Red Hat:enterprise_linux:10.1","Red Hat:enterprise_linux:8::baseos","Red Hat:enterprise_linux:8::crb","Red Hat:enterprise_linux:8::nfv","Red Hat:enterprise_linux:8::realtime","Red Hat:enterprise_linux:9::appstream","Red Hat:enterprise_linux:9::baseos","Red Hat:enterprise_linux:9::crb","Red Hat:enterprise_linux:9::nfv","Red Hat:enterprise_linux:9::realtime","Red Hat:enterprise_linux_eus:10.0","Red Hat:enterprise_linux_nvidia:10::el10","Red Hat:rhel_aus:8.4::baseos","Red Hat:rhel_aus:8.6::baseos","Red Hat:rhel_e4s:8.6::baseos","Red Hat:rhel_e4s:8.8::baseos","Red Hat:rhel_e4s:9.0::appstream","Red Hat:rhel_e4s:9.0::baseos","Red Hat:rhel_e4s:9.0::nfv","Red Hat:rhel_e4s:9.0::realtime","Red Hat:rhel_e4s:9.2::appstream","Red Hat:rhel_e4s:9.2::baseos","Red Hat:rhel_e4s:9.2::nfv","Red Hat:rhel_e4s:9.2::realtime","Red Hat:rhel_eus:9.4::appstream","Red Hat:rhel_eus:9.4::baseos","Red Hat:rhel_eus:9.4::crb","Red Hat:rhel_eus:9.4::nfv","Red Hat:rhel_eus:9.4::realtime","Red Hat:rhel_eus:9.6::appstream","Red Hat:rhel_eus:9.6::baseos","Red Hat:rhel_eus:9.6::crb","Red Hat:rhel_eus:9.6::nfv","Red Hat:rhel_eus:9.6::realtime","Red Hat:rhel_eus_long_life:8.4::baseos","Red Hat:rhel_tus:8.6::baseos","Red Hat:rhel_tus:8.8::baseos","Rocky Linux:10","Rocky Linux:8","Rocky Linux:9"],"exploits":{"exploitdb":2,"first_seen":"2026-05-08","github_poc":42,"max_poc_stars":58,"metasploit":1,"nuclei":0,"refs":[{"date":"2026-10-02T18:29:26Z","kind":"github_poc","ref":"https://github.com/ankitrawatgit/DirtyFrag-Android-Root-Jailbreak","stars":58,"title":"DirtyFrag Android Root is an Android app and helper module chain based on DirtyFrag (CVE-2026-43284). Tested on iQOO Z9 5G."},{"date":"2026-05-10T04:22:19Z","kind":"github_poc","ref":"https://github.com/linnemanlabs/dirtyfrag-arm64","stars":38,"title":"arm64/aarch64 port of V4bel/dirtyfrag (CVE-2026-43284). ESP-only - rxrpc path kernel-oopses on arm64 due to flush_dcache_page"},{"date":"2026-05-08T17:07:20Z","kind":"github_poc","ref":"https://github.com/0xredash/CVE-2026-43284","stars":25,"title":"CVE-2026-43284"},{"date":"2026-05-08T02:17:45Z","kind":"github_poc","ref":"https://github.com/Percivalll/Dirty-Frag-Kubernetes-PoC","stars":18,"title":"A proof-of-concept demonstrating how a default, unprivileged Kubernetes Pod can achieve node-level code execution on Amazon EKS by exploiting the Dirty Frag (CVE-2026-43284) Linux kernel page-cache corruption vulnerability through shared container image layers."},{"date":"2026-05-11T19:41:31Z","kind":"github_poc","ref":"https://github.com/liamromanis101/DirtyFrag-Detector","stars":15,"title":"CVE-2026-43284/CVE-2026-43500 'DirtyFrag' Benign patch \u0026 mitigation detection script"},{"date":"2026-09-27T15:02:55Z","kind":"github_poc","ref":"https://github.com/a2333c/DFRoot","stars":9,"title":"三星 Galaxy S25 Ultra（SM-S938B）适配版 DFRoot：开机自动获取 root（DirtyFrag CVE-2026-43284 + CVE-2026-43499 双链路），全中文界面，fork 自 diabl0w/DFRoot"},{"date":"2026-05-09T13:46:16Z","kind":"github_poc","ref":"https://github.com/haydenjames/dirty-frag-check","stars":5,"title":"Read-only checker for CVE-2026-43284 / CVE-2026-43500 (Dirty Frag) Linux kernel local-root vulns"},{"date":"2026-05-08T13:57:27Z","kind":"github_poc","ref":"https://github.com/mym0us3r/DIRTY-FRAG-Detection-with-Wazuh-4.14.4","stars":3,"title":"Wazuh 4.14.4 detection rules for CVE-2026-43284 / CVE-2026-43500 (Dirty Frag) - Linux Local Privilege Escalation via page cache write"}],"tier":"weaponised"},"has_fix":true,"headline":"xfrm: esp: avoid in-place decrypt on shared skb frags","id":"CVE-2026-43284","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"memory_corruption","year":"2026"},"n_packages":1593,"n_references":10,"next":{"headline":"mm/slab: do not access current-\u003emems_allowed_seq if !allow_spin","id":"CVE-2026-43285"},"packages":[{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel","purl":"pkg:rpm/almalinux/kernel","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k","purl":"pkg:rpm/almalinux/kernel-64k","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-core","purl":"pkg:rpm/almalinux/kernel-64k-core","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug","purl":"pkg:rpm/almalinux/kernel-64k-debug","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-core","purl":"pkg:rpm/almalinux/kernel-64k-debug-core","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-devel","purl":"pkg:rpm/almalinux/kernel-64k-debug-devel","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-devel-matched","purl":"pkg:rpm/almalinux/kernel-64k-debug-devel-matched","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-modules","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-modules-core","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules-core","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-modules-extra","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules-extra","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-modules-internal","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules-internal","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-modules-partner","purl":"pkg:rpm/almalinux/kernel-64k-debug-modules-partner","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-uki-virt","purl":"pkg:rpm/almalinux/kernel-64k-debug-uki-virt","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-debug-uki-virt-addons","purl":"pkg:rpm/almalinux/kernel-64k-debug-uki-virt-addons","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-devel","purl":"pkg:rpm/almalinux/kernel-64k-devel","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-devel-matched","purl":"pkg:rpm/almalinux/kernel-64k-devel-matched","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-modules","purl":"pkg:rpm/almalinux/kernel-64k-modules","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-modules-core","purl":"pkg:rpm/almalinux/kernel-64k-modules-core","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-modules-extra","purl":"pkg:rpm/almalinux/kernel-64k-modules-extra","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-modules-internal","purl":"pkg:rpm/almalinux/kernel-64k-modules-internal","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-modules-partner","purl":"pkg:rpm/almalinux/kernel-64k-modules-partner","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-uki-virt","purl":"pkg:rpm/almalinux/kernel-64k-uki-virt","source":"ALSA-2026:A006"},{"ecosystem":"AlmaLinux:10","fixed":["6.12.0-124.55.3.el10_1"],"introduced":["0"],"last_affected":[],"package":"kernel-64k-uki-virt-addons","purl":"pkg:rpm/almalinux/kernel-64k-uki-virt-addons","source":"ALSA-2026:A006"},{"ecosyst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ethernet: ec_bhf: Fix dma_free_coherent() dma handle","id":"CVE-2026-43283"},"products":["Linux"],"published":"2026-05-08","related":[{"cvss_score":8.8,"headline":"Linux Kernel Out-of-Bounds Write","id":"CVE-2026-53266","kev_date_added":"2026-09-18","published":"2026-06-25"},{"cvss_score":8.8,"headline":"Linux Kernel Improper Input Validation","id":"CVE-2013-6282","kev_date_added":"2022-09-15","published":"2013-11-19"},{"cvss_score":8.4,"headline":"Linux Kernel Heap-Based Buffer Overflow","id":"CVE-2022-0185","kev_date_added":"2024-08-21","published":"2022-02-11"},{"cvss_score":8.4,"headline":"Linux Kernel Privilege Escalation","id":"CVE-2013-2094","kev_date_added":"2022-09-15","published":"2013-05-14"},{"cvss_score":7.8,"headline":"Linux Kernel Unspecified","id":"CVE-2026-53362","kev_date_added":"2026-08-27","published":"2026-07-04"},{"cvss_score":7.8,"headline":"Linux Kernel Missing Initialization of a Variable","id":"CVE-2026-46300","kev_date_added":"2026-10-28","published":"2026-05-23"},{"cvss_score":7.8,"headline":"Linux Kernel Race Condition","id":"CVE-2025-39964","kev_date_added":"2026-09-18","published":"2025-10-13"}],"sources":[{"class":"attribution","licence":"MIT","name":"AlmaLinux","prefix":"ALSA"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-10-15","vendors":["Linux"]},"summary":"A memory corruption vulnerability in the Linux kernel's ESP decryption path allows attackers to corrupt shared memory, potentially leading to code execution or privilege escalation.","url":"https://insights.sbomify.com/CVE-2026-43284/"}