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CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbep_pci2phy_map_init(), in the nr_node_ids > 8 path, uncore_device_to_die() may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARN_ON_ONCE(die_id == -1) check for two reasons: - The current code breaks out of the loop. This is incorrect because pci_get_device() does not guarantee iteration in domain or bus order, so additional
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0a37688dbd8fb31538ba83275c8c87e8862672a4157908d11fc37e4e9f96e25b
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":["arch/x86/events/intel/uncore.c","arch/x86/events/intel/uncore_snbep.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61752c8a3aa4cad8776e60eba6af23c8fdfff7872c150f3c437cb8eef87ff4f4 · sha256:d8c2f83f4e34cbd8… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/events/intel/uncore.c","arch/x86/events/intel/uncore_snbep.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6a5dc3ee97581da2907fc7acd62853f07184de67","status":"affected","version":"9a7832ce3d920426a36cdd78eda4b3568d4d09e3","versionType":"git"},{"lessThan":"a16d1ec4dd0cdcf689f324adde6067083bce9099","status":"affected","version":"9a7832ce3d920426a36cdd78eda4b3568d4d09e3","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61752c8a3aa4cad8776e60eba6af23c8fdfff7872c150f3c437cb8eef87ff4f4 · sha256:d8c2f83f4e34cbd8… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/events/intel/uncore.c","arch/x86/events/intel/uncore_snbep.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61752c8a3aa4cad8776e60eba6af23c8fdfff7872c150f3c437cb8eef87ff4f4 · sha256:d8c2f83f4e34cbd8… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/events/intel/uncore.c","arch/x86/events/intel/uncore_snbep.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6a5dc3ee97581da2907fc7acd62853f07184de67","status":"affected","version":"9a7832ce3d920426a36cdd78eda4b3568d4d09e3","versionType":"git"},{"lessThan":"a16d1ec4dd0cdcf689f324adde6067083bce9099","status":"affected","version":"9a7832ce3d920426a36cdd78eda4b3568d4d09e3","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61752c8a3aa4cad8776e60eba6af23c8fdfff7872c150f3c437cb8eef87ff4f4 · sha256:d8c2f83f4e34cbd8… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/6a5dc3ee97581da2907fc7acd62853f07184de67"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61752c8a3aa4cad8776e60eba6af23c8fdfff7872c150f3c437cb8eef87ff4f4 · sha256:d8c2f83f4e34cbd8… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/a16d1ec4dd0cdcf689f324adde6067083bce9099"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61752c8a3aa4cad8776e60eba6af23c8fdfff7872c150f3c437cb8eef87ff4f4 · sha256:d8c2f83f4e34cbd8… · /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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