{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2024-26961 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2024-26961 is a high-severity use after free vulnerability in Linux kernel, published on 1 May 2024. 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-2024-26961 and fix it if it is affected.\n\nWhat it is: CVE-2024-26961 is a high-severity use after free vulnerability in Linux kernel, published on 1 May 2024. 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-2024-26961 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-2024-26961/ (Markdown: https://insights.sbomify.com/CVE-2024-26961/index.md)","id":"CVE-2024-26961","markdown":"https://insights.sbomify.com/CVE-2024-26961/index.md","name":"CVE-2024-26961","record":{"aliases":["AZL-40481","BELL-CVE-2024-26961","DEBIAN-CVE-2024-26961","GHSA-7533-c28p-jp9p","UBUNTU-CVE-2024-26961"],"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 use-after-free vulnerability in the Linux kernel's mac802154 module allows attackers to potentially execute code or escalate privileges via race conditions during key deletion.","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,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:H/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\nmac802154: fix llsec key resources release in mac802154_llsec_key_del\n\nmac802154_llsec_key_del() can free resources of a key directly without\nfollowing the RCU rules for waiting before the end of a grace period. This\nmay lead to use-after-free in case llsec_lookup_key() is traversing the\nlist of keys in parallel with a key deletion:\n\nrefcount_t: addition on 0; use-after-free.\nWARNING: CPU: 4 PID: 16000 at lib/refcount.c:25 refcount_warn_saturate+0x162/0x2a0\nModules linked in:\nCPU: 4 PID: 16000 Comm: wpan-ping Not tainted 6.7.0 #19\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014\nRIP: 0010:refcount_warn_saturate+0x162/0x2a0\nCall Trace:\n \u003cTASK\u003e\n llsec_lookup_key.isra.0+0x890/0x9e0\n mac802154_llsec_encrypt+0x30c/0x9c0\n ieee802154_subif_start_xmit+0x24/0x1e0\n dev_hard_start_xmit+0x13e/0x690\n sch_direct_xmit+0x2ae/0xbc0\n __dev_queue_xmit+0x11dd/0x3c20\n dgram_sendmsg+0x90b/0xd60\n __sys_sendto+0x466/0x4c0\n __x64_sys_sendto+0xe0/0x1c0\n do_syscall_64+0x45/0xf0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nAlso, ieee802154_llsec_key_entry structures are not freed by\nmac802154_llsec_key_del():\n\nunreferenced object 0xffff8880613b6980 (size 64):\n  comm \"iwpan\", pid 2176, jiffies 4294761134 (age 60.475s)\n  hex dump (first 32 bytes):\n    78 0d 8f 18 80 88 ff ff 22 01 00 00 00 00 ad de  x.......\".......\n    00 00 00 00 00 00 00 00 03 00 cd ab 00 00 00 00  ................\n  backtrace:\n    [\u003cffffffff81dcfa62\u003e] __kmem_cache_alloc_node+0x1e2/0x2d0\n    [\u003cffffffff81c43865\u003e] kmalloc_trace+0x25/0xc0\n    [\u003cffffffff88968b09\u003e] mac802154_llsec_key_add+0xac9/0xcf0\n    [\u003cffffffff8896e41a\u003e] ieee802154_add_llsec_key+0x5a/0x80\n    [\u003cffffffff8892adc6\u003e] nl802154_add_llsec_key+0x426/0x5b0\n    [\u003cffffffff86ff293e\u003e] genl_family_rcv_msg_doit+0x1fe/0x2f0\n    [\u003cffffffff86ff46d1\u003e] genl_rcv_msg+0x531/0x7d0\n    [\u003cffffffff86fee7a9\u003e] netlink_rcv_skb+0x169/0x440\n    [\u003cffffffff86ff1d88\u003e] genl_rcv+0x28/0x40\n    [\u003cffffffff86fec15c\u003e] netlink_unicast+0x53c/0x820\n    [\u003cffffffff86fecd8b\u003e] netlink_sendmsg+0x93b/0xe60\n    [\u003cffffffff86b91b35\u003e] ____sys_sendmsg+0xac5/0xca0\n    [\u003cffffffff86b9c3dd\u003e] ___sys_sendmsg+0x11d/0x1c0\n    [\u003cffffffff86b9c65a\u003e] __sys_sendmsg+0xfa/0x1d0\n    [\u003cffffffff88eadbf5\u003e] do_syscall_64+0x45/0xf0\n    [\u003cffffffff890000ea\u003e] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nHandle the proper resource release in the RCU callback function\nmac802154_llsec_key_del_rcu().\n\nNote that if llsec_lookup_key() finds a key, it gets a refcount via\nllsec_key_get() and locally copies key id from key_entry (which is a\nlist element). So it's safe to call llsec_key_put() and free the list\nentry after the RCU grace period elapses.\n\nFound by Linux Verification Center (linuxtesting.org).","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":"mac802154: fix llsec key resources release in mac802154_llsec_key_del","id":"CVE-2024-26961","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"use_after_free","year":"2024"},"n_packages":0,"n_references":7,"next":{"headline":"dm-raid456, md/raid456: fix a deadlock for dm-raid456 while io concurrent with reshape","id":"CVE-2024-26962"},"packages":[],"prev":{"headline":"mm: swap: fix race between free_swap_and_cache() and swapoff()","id":"CVE-2024-26960"},"products":["Linux"],"published":"2024-05-01","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":"partial"},"state":"PUBLISHED","updated":"2026-10-15","vendors":["Linux"]},"summary":"A use-after-free vulnerability in the Linux kernel's mac802154 module allows attackers to potentially execute code or escalate privileges via race conditions during key deletion.","url":"https://insights.sbomify.com/CVE-2024-26961/"}