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CVE-2026-64119

In the Linux kernel, the following vulnerability has been resolved: l2tp: use list_del_rcu in l2tp_session_unhash An unprivileged local user can pin a host CPU indefinitely in l2tp_session_get_by_ifname() by issuing L2TP_CMD_SESSION_GET on L2TP_ATTR_IFNAME concurrently with L2TP_CMD_SESSION_CREATE and L2TP_CMD_SESSION_DELETE on the same tunnel. All three commands take GENL_UNS_ADMIN_PERM, so CAP_NET_ADMIN in the netns user namespace suffices; on any host that has l2tp_core loaded the trigger i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6eea224ba01e016b3b53a9c4df0679bd0e44ed54a781bb4401166edf9fb0ae9a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/l2tp/l2tp_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5e40919a40cb3e590ed45c2a54a4a2518aa88a99","status":"affected","version":"89b768ec2dfefaeba5212de14fc71368e12d06ba","versionType":"git"},{"lessThan":"e0c3dd7b30cc5ee42ab502da140cda93d794a20b","status":"affected","version":"89b768ec2dfefaeba5212de14fc71368e12d06ba","versionType":"git"},{"lessThan":"acab6314bb75be994f720ed13e9d9139cbf828a8","status":"affected","version":"89b768ec2dfefaeba5212de14…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/l2tp/l2tp_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrE…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/l2tp/l2tp_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5e40919a40cb3e590ed45c2a54a4a2518aa88a99","status":"affected","version":"89b768ec2dfefaeba5212de14fc71368e12d06ba","versionType":"git"},{"lessThan":"e0c3dd7b30cc5ee42ab502da140cda93d794a20b","status":"affected","version":"89b768ec2dfefaeba5212de14fc71368e12d06ba","versionType":"git"},{"lessThan":"acab6314bb75be994f720ed13e9d9139cbf828a8","status":"affected","version":"89b768ec2dfefaeba5212de14…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/l2tp/l2tp_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrE…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/5e40919a40cb3e590ed45c2a54a4a2518aa88a99"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/979c017803c40829b03acd9e5236e354b7622360"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/acab6314bb75be994f720ed13e9d9139cbf828a8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/e0c3dd7b30cc5ee42ab502da140cda93d794a20b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61ad9e5084aee41508e7bf59c8e4e3b2064e148218efa85204b87129e412bb04 · sha256:f7530ff2da6429b1… · /containers/cna/references/1

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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