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CVE-2026-43401

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intel_pstate: Fix NULL pointer dereference in update_cpu_qos_request() The update_cpu_qos_request() function attempts to initialize the 'freq' variable by dereferencing 'cpudata' before verifying if the 'policy' is valid. This issue occurs on systems booted with the "nosmt" parameter, where all_cpu_data[cpu] is NULL for the SMT sibling threads. As a result, any call to update_qos_requests() will result in a NULL poin
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b835234ef7743cb947de1943108f0614b6fc03be4fa0ca7ff21bd00aab601d33
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":["drivers/cpufreq/intel_pstate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1cc1e9eea442be6911180d63a5844f04b2ec0728df155df6359eeba96784ef46 · sha256:7169c17fac3c3e06… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/cpufreq/intel_pstate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6bfda7ce56e7d14a677b7bcd6c7a5009cc29aa88","status":"affected","version":"ae1bdd23b99f64335c69d546bff99ca39b894c18","versionType":"git"},{"lessThan":"42738dffb7b0766a45882dff7989401d78f66f92","status":"affected","version":"ae1bdd23b99f64335c69d546bff99ca39b894c18","versionType":"git"},{"lessThan":"ab39cc4cb8ceecdc2b61747433e7237f1ac2b789","status":"affected","version":"ae1bdd23b99f643…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1cc1e9eea442be6911180d63a5844f04b2ec0728df155df6359eeba96784ef46 · sha256:7169c17fac3c3e06… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/cpufreq/intel_pstate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1cc1e9eea442be6911180d63a5844f04b2ec0728df155df6359eeba96784ef46 · sha256:7169c17fac3c3e06… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/cpufreq/intel_pstate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6bfda7ce56e7d14a677b7bcd6c7a5009cc29aa88","status":"affected","version":"ae1bdd23b99f64335c69d546bff99ca39b894c18","versionType":"git"},{"lessThan":"42738dffb7b0766a45882dff7989401d78f66f92","status":"affected","version":"ae1bdd23b99f64335c69d546bff99ca39b894c18","versionType":"git"},{"lessThan":"ab39cc4cb8ceecdc2b61747433e7237f1ac2b789","status":"affected","version":"ae1bdd23b99f643…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1cc1e9eea442be6911180d63a5844f04b2ec0728df155df6359eeba96784ef46 · sha256:7169c17fac3c3e06… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/42738dffb7b0766a45882dff7989401d78f66f92"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cc1e9eea442be6911180d63a5844f04b2ec0728df155df6359eeba96784ef46 · sha256:7169c17fac3c3e06… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/6bfda7ce56e7d14a677b7bcd6c7a5009cc29aa88"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cc1e9eea442be6911180d63a5844f04b2ec0728df155df6359eeba96784ef46 · sha256:7169c17fac3c3e06… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ab39cc4cb8ceecdc2b61747433e7237f1ac2b789"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1cc1e9eea442be6911180d63a5844f04b2ec0728df155df6359eeba96784ef46 · sha256:7169c17fac3c3e06… · /containers/cna/references/2

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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