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CVE-2026-43042

In the Linux kernel, the following vulnerability has been resolved: mpls: add seqcount to protect the platform_label{,s} pair The RCU-protected codepaths (mpls_forward, mpls_dump_routes) can have an inconsistent view of platform_labels vs platform_label in case of a concurrent resize (resize_platform_label_table, under platform_mutex). This can lead to OOB accesses. This patch adds a seqcount, so that we get a consistent snapshot. Note that mpls_label_ok is also susceptible to this, so the c
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2f8e11e464625eed8eda83b0a47ceb25a4579e6ed03e4ebd2a314f0858a473df
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":["include/net/netns/mpls.h","net/mpls/af_mpls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5bb3caf0bbfb56f1a00d2af072ac3d8395a3b9ef","status":"affected","version":"7720c01f3f590116882e251f13c7e1d5602f8643","versionType":"git"},{"lessThan":"629ec78ef8608d955ce217880cdc3e1873af3a15","status":"affected","version":"7720c01f3f590116882e251f13c7e1d5602f8643","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:40854329933d301aca4f0c2b5e387b53e988c5a7ae2dc21563679964b2b4887d · sha256:b16c595a80787a87… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/netns/mpls.h","net/mpls/af_mpls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.1"},{"lessThan":"4.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:40854329933d301aca4f0c2b5e387b53e988c5a7ae2dc21563679964b2b4887d · sha256:b16c595a80787a87… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/netns/mpls.h","net/mpls/af_mpls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5bb3caf0bbfb56f1a00d2af072ac3d8395a3b9ef","status":"affected","version":"7720c01f3f590116882e251f13c7e1d5602f8643","versionType":"git"},{"lessThan":"629ec78ef8608d955ce217880cdc3e1873af3a15","status":"affected","version":"7720c01f3f590116882e251f13c7e1d5602f8643","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:40854329933d301aca4f0c2b5e387b53e988c5a7ae2dc21563679964b2b4887d · sha256:b16c595a80787a87… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/netns/mpls.h","net/mpls/af_mpls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.1"},{"lessThan":"4.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:40854329933d301aca4f0c2b5e387b53e988c5a7ae2dc21563679964b2b4887d · sha256:b16c595a80787a87… · /containers/cna/affected/1

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:v2:40854329933d301aca4f0c2b5e387b53e988c5a7ae2dc21563679964b2b4887d · sha256:b16c595a80787a87… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/5bb3caf0bbfb56f1a00d2af072ac3d8395a3b9ef"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40854329933d301aca4f0c2b5e387b53e988c5a7ae2dc21563679964b2b4887d · sha256:b16c595a80787a87… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/629ec78ef8608d955ce217880cdc3e1873af3a15"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40854329933d301aca4f0c2b5e387b53e988c5a7ae2dc21563679964b2b4887d · sha256:b16c595a80787a87… · /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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