{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-23445 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-23445 is a high-severity use after free vulnerability in Linux kernel, published on 3 Apr 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-2026-23445 and fix it if it is affected.\n\nWhat it is: CVE-2026-23445 is a high-severity use after free vulnerability in Linux kernel, published on 3 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-23445 in the wild and no public exploit code.\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-2026-23445/ (Markdown: https://insights.sbomify.com/CVE-2026-23445/index.md)","id":"CVE-2026-23445","markdown":"https://insights.sbomify.com/CVE-2026-23445/index.md","name":"CVE-2026-23445","record":{"aliases":["BELL-CVE-2026-23445","DEBIAN-CVE-2026-23445","GHSA-w2hf-gr87-g9jg","ROOT-OS-DEBIAN-13-CVE-2026-23445","UBUNTU-CVE-2026-23445"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel driver","requires_auth":"low_privilege","summary":"A use-after-free in the igc network driver causes a kernel page fault and system crash when an XDP application shuts down while the link is up.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":7.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: fix page fault in XDP TX timestamps handling\n\nIf an XDP application that requested TX timestamping is shutting down\nwhile the link of the interface in use is still up the following kernel\nsplat is reported:\n\n[  883.803618] [   T1554] BUG: unable to handle page fault for address: ffffcfb6200fd008\n...\n[  883.803650] [   T1554] Call Trace:\n[  883.803652] [   T1554]  \u003cTASK\u003e\n[  883.803654] [   T1554]  igc_ptp_tx_tstamp_event+0xdf/0x160 [igc]\n[  883.803660] [   T1554]  igc_tsync_interrupt+0x2d5/0x300 [igc]\n...\n\nDuring shutdown of the TX ring the xsk_meta pointers are left behind, so\nthat the IRQ handler is trying to touch them.\n\nThis issue is now being fixed by cleaning up the stale xsk meta data on\nTX shutdown. TX timestamps on other queues remain unaffected.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"igc: fix page fault in XDP TX timestamps handling","id":"CVE-2026-23445","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"use_after_free","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"net: usb: aqc111: Do not perform PM inside suspend callback","id":"CVE-2026-23446"},"packages":[],"prev":{"headline":"wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure","id":"CVE-2026-23444"},"products":["Linux"],"published":"2026-04-03","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":"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)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-10-19","vendors":["Linux"]},"summary":"A use-after-free in the igc network driver causes a kernel page fault and system crash when an XDP application shuts down while the link is up.","url":"https://insights.sbomify.com/CVE-2026-23445/"}