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CVE-2026-31679

In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/set_masked payload length validate_set() accepted OVS_KEY_ATTR_MPLS as variable-sized payload for SET/SET_MASKED actions. In action handling, OVS expects fixed-size MPLS key data (struct ovs_key_mpls). Use the already normalized key_len (masked case included) and reject non-matching MPLS action key sizes. Reject invalid MPLS action payload lengths early.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:150b696b0074b9765c67712e9b0c9232e438c9f7f0464848bcc0fe5cface8307
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":"affected","product":"Linux","programFiles":["net/openvswitch/flow_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.5"},{"lessThan":"5.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/openvswitch/flow_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"68f32ef0683c8d1c05cd2e4f16818fa63ff59c6f","status":"affected","version":"fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3","versionType":"git"},{"lessThan":"4cae986225f8b8679ad86b924918e7d75a96aa61","status":"affected","version":"fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3","versionType":"git"},{"lessThan":"8ed7b9930cbc3bc71f868fa79a68700ac88d586a","status":"affected","version":"fbdcdd78da7c95f…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/openvswitch/flow_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.5"},{"lessThan":"5.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/openvswitch/flow_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"68f32ef0683c8d1c05cd2e4f16818fa63ff59c6f","status":"affected","version":"fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3","versionType":"git"},{"lessThan":"4cae986225f8b8679ad86b924918e7d75a96aa61","status":"affected","version":"fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3","versionType":"git"},{"lessThan":"8ed7b9930cbc3bc71f868fa79a68700ac88d586a","status":"affected","version":"fbdcdd78da7c95f…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/2ca33b88a79ca42f017ae0f7011280325655438e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/4cae986225f8b8679ad86b924918e7d75a96aa61"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/546b68ac893595877ffbd7751e5c55fd1c43ede6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/68f32ef0683c8d1c05cd2e4f16818fa63ff59c6f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/8ed7b9930cbc3bc71f868fa79a68700ac88d586a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/98de18d327ef8cbbb704980e359e4872d8c28997"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/bd50c7484c3bb34097571c1334174fb8b7408036"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/c1f97152df8dfb17e855ddf0fc409b7bd13e9700"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e57076c5b32c99c207b21cc04b3d44338ea1121a76164a6a7ca314c8f2263b69 · sha256:16eb999d41558f7a… · /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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