{"id":"CVE-2026-74427","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74427","summary":"afs: Fix netns teardown to cancel the preallocation charger","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix netns teardown to cancel the preallocation charger\n\nFix the teardown of an afs network namespace to make sure it cancels the\nwork item that keeps the preallocated rxrpc call/conn/peer queue charged\nbefore incoming calls are disabled (i.e. listen 0).\n\nAlso, if net->live is false because the afs netns is being deleted, make\nafs_charge_preallocation() skip charging and make afs_rx_new_call() avoid\nrequeuing the charger.\n\n(This was found by AI review).","published":"2026-08-15T05:59:29.053Z","modified":"2026-08-18T03:56:48.614486019Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"5.10.261"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/47694fbc9d24ab6bf210f91e8efe06a10a478064"},{"type":"WEB","url":"https://git.kernel.org/stable/c/59e8b7652f6cbfb62d377ead0ad553c1b4e39a7a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/63ccaf1bdf8be2330f47f9b5b233dd3fd04acbd9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/85d5fb80fe4f0cc836b6df83f26de204fe102ff7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a33975ff2b6ea47b8f29956403374b1cdd057539"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b83ecf80e28afb7b6595ba79932e77ca68a5a83d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eec89c5f8e1adc1de4824042ef75f62aed804153"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f5096e18b6b7fbd1c2a1942e275a51bcfdfb2ad1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74427.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74427"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-18T03:56:48.614486019Z"}}