CVE Explorer

CVE-2026-43016

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk->sk_socket in sk_psock_verdict_data_ready(). syzbot reported use-after-free of AF_UNIX socket's sk->sk_socket in sk_psock_verdict_data_ready(). [0] In unix_stream_sendmsg(), the peer socket's ->sk_data_ready() is called after dropping its unix_state_lock(). Although the sender socket holds the peer's refcount, it does not prevent the peer's sock_orphan(), and the peer's sk_socket might

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:58901513ed8603b55833f4cb5e9f841191a4c9c8a7ddf0957055a88e82157978

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/skmsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8d597e3e74027900ffa81b8ff47ab51999a3e110","status":"affected","version":"c63829182c37c2d6d0608976d15fa61ebebe9e6b","versionType":"git"},{"lessThan":"68187f18a89be4b6237d28ae1313b5adf76238c6","status":"affected","version":"c63829182c37c2d6d0608976d15fa61ebebe9e6b","versionType":"git"},{"lessThan":"18861f87a043e78b1f901cae4237e755ed7ef095","status":"affected","version":"c63829182c37c2d6d0608976d15fa…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/skmsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.81","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"lessThanOrEqua…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions

{"url":"https://git.kernel.org/stable/c/18861f87a043e78b1f901cae4237e755ed7ef095"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/68187f18a89be4b6237d28ae1313b5adf76238c6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/8d597e3e74027900ffa81b8ff47ab51999a3e110"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/ad8391d37f334ee73ba91926f8b4e4cf6d31ea04"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/af95bc39a83d82ae6ad253986335037256888b3f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d796114f754361bd96e68931dddbedd78dac8c27b649e12d108614a594f2aacb · sha256:a8372c7de63a8959… · /containers/cna/references/3

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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