CVE Explorer

CVE-2026-63919

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb->cb and uses it later from xfrm_trans_reinject(). That pointer must stay valid until the deferred callback runs. Take a netns reference when queueing deferred reinjection work and drop it after the callback completes. Use maybe_get_net() so the queueing path does not revive a namespace that is already be

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1d183e709b6aa439d96365783ad82a265fe54215bf0082e56ebba8805666dc20

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/xfrm/xfrm_input.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7ee59eda8820b758ed29e1cd3222359c7b97302c","status":"affected","version":"7b3801927e52f8621de311277f7fc727635019e7","versionType":"git"},{"lessThan":"2df7059a18afb7d3aee6c36cad5d371c198111d4","status":"affected","version":"7b3801927e52f8621de311277f7fc727635019e7","versionType":"git"},{"lessThan":"8dfabcba6a943a7a02ebe1e1637c361ba96acbaa","status":"affected","version":"7b3801927e52f8621de31127…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/xfrm/xfrm_input.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanO…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/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:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions

{"url":"https://git.kernel.org/stable/c/2df7059a18afb7d3aee6c36cad5d371c198111d4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/48ce101cd630d6745b6923b5bad8358bc4c119da"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/55ddfc41451f01c588089cd74957a05311b6f202"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/7ee59eda8820b758ed29e1cd3222359c7b97302c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/8dfabcba6a943a7a02ebe1e1637c361ba96acbaa"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/9f67a36e91bb50d358760f381f233913fe5c09f8"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/9f7ebb45a83afc3216e855e57d51bb4bc9b5232e"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/c16f74dc1d75d0e2e7670076d5375deda110ebeb"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ecb98e1eb291dcfdc56c73bba858788509ed9ab06c17d85146c0ef008cb0f6b4 · sha256:c6cc02a3bbe8020f… · /containers/cna/references/7

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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