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CVE-2026-31744

In the Linux kernel, the following vulnerability has been resolved: PM: EM: Fix NULL pointer dereference when perf domain ID is not found dev_energymodel_nl_get_perf_domains_doit() calls em_perf_domain_get_by_id() but does not check the return value before passing it to __em_nl_get_pd_size(). When a caller supplies a non-existent perf domain ID, em_perf_domain_get_by_id() returns NULL, and __em_nl_get_pd_size() immediately dereferences pd->cpus (struct offset 0x30), causing a NULL pointer dere
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9ab5553825b427af67fd759901e2976a8c95bfa16524a3f8f93a90ece3c4d2e6
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":["kernel/power/em_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","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:v2:24be1e67631b1ef3e8e6a4abdb2b01ba8ac7a627b42f7cc1a5b411373694f06c · sha256:8c3066f5eb626498… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/power/em_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ab09b9a1e3b02ff62c5aebe3b12b0cb4cb4ea8ab","status":"affected","version":"380ff27af25e49e2cb2ff8fd0ecd7c95be2976ee","versionType":"git"},{"lessThan":"9badc2a84e688be1275bb740942d5f6f51746908","status":"affected","version":"380ff27af25e49e2cb2ff8fd0ecd7c95be2976ee","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24be1e67631b1ef3e8e6a4abdb2b01ba8ac7a627b42f7cc1a5b411373694f06c · sha256:8c3066f5eb626498… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/power/em_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","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:v2:24be1e67631b1ef3e8e6a4abdb2b01ba8ac7a627b42f7cc1a5b411373694f06c · sha256:8c3066f5eb626498… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/power/em_netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ab09b9a1e3b02ff62c5aebe3b12b0cb4cb4ea8ab","status":"affected","version":"380ff27af25e49e2cb2ff8fd0ecd7c95be2976ee","versionType":"git"},{"lessThan":"9badc2a84e688be1275bb740942d5f6f51746908","status":"affected","version":"380ff27af25e49e2cb2ff8fd0ecd7c95be2976ee","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24be1e67631b1ef3e8e6a4abdb2b01ba8ac7a627b42f7cc1a5b411373694f06c · sha256:8c3066f5eb626498… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/9badc2a84e688be1275bb740942d5f6f51746908"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24be1e67631b1ef3e8e6a4abdb2b01ba8ac7a627b42f7cc1a5b411373694f06c · sha256:8c3066f5eb626498… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ab09b9a1e3b02ff62c5aebe3b12b0cb4cb4ea8ab"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24be1e67631b1ef3e8e6a4abdb2b01ba8ac7a627b42f7cc1a5b411373694f06c · sha256:8c3066f5eb626498… · /containers/cna/references/0

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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