CVE Explorer

CVE-2026-63978

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Drain pending requests at net namespace exit The arguments to list_splice_init() in handshake_net_exit() are reversed. The call moves the local empty "requests" list onto hn->hn_requests, leaving the local list empty, so the subsequent drain loop runs zero iterations. Pending handshake requests that had not yet been accepted are not torn down when the net namespace is destroyed; each one keeps a reference on a s

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:21e1fddd0408cb839c641b6b38bc680e1a3493cddba174988bf01fe8ec51d18d

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/handshake/netlink.c","net/handshake/request.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"orig…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/handshake/netlink.c","net/handshake/request.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9ec20c9a5a04f2c3f1cf65d21f886d7aaa6189cd","status":"affected","version":"3b3009ea8abb713b022d94fba95ec270cf6e7eae","versionType":"git"},{"lessThan":"8c35539db0ab0bfa1ea44efab00b053261a69469","status":"affected","version":"3b3009ea8abb713b022d94fba95ec270cf6e7eae","versionType":"git"},{"lessThan":"ea5fe6a73ca57e5150b8a38b341aef2636eb72f0","status":"affected","versio…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions

{"url":"https://git.kernel.org/stable/c/8c35539db0ab0bfa1ea44efab00b053261a69469"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/9ec20c9a5a04f2c3f1cf65d21f886d7aaa6189cd"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/ea5fe6a73ca57e5150b8a38b341aef2636eb72f0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:93782ac85f0ab3b4132449dff5eda588c54d5b4069cc3ce848de8c5de7d3d479 · sha256:7069f032873eab86… · /containers/cna/references/2

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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