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CVE-2026-64477

In the Linux kernel, the following vulnerability has been resolved: x86,fs/resctrl: Prevent out-of-bounds access while offlining CPU when SNC enabled The architecture updates the cpu_mask in a domain's header to track which online CPUs are associated with the domain. When this mask becomes empty the architecture initiates offline of the domain that includes calling on resctrl fs to offline the domain. If it is a monitoring domain in which LLC occupancy is tracked resctrl fs forces the limbo ha
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:66ba6f99eb6b47831325ed79a1c0a61da57118919ebd4374a488cc7e61b7365f
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":["arch/x86/kernel/cpu/resctrl/monitor.c","fs/resctrl/monitor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ebc300b7ee0c669fa76a7a8858298ff32e296103","status":"affected","version":"e13db55b5a0d447dea63cde772c1078405bbbf96","versionType":"git"},{"lessThan":"be1567992417dc92133e74126de7a6066c825ac9","status":"affected","version":"e13db55b5a0d447dea63cde772c1078405bbbf96","versionType":"git"},{"lessThan":"58c5ec23b1a238eb75cb0aba6f69d8f9e68ef0b2","status":"affect…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kernel/cpu/resctrl/monitor.c","fs/resctrl/monitor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kernel/cpu/resctrl/monitor.c","fs/resctrl/monitor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ebc300b7ee0c669fa76a7a8858298ff32e296103","status":"affected","version":"e13db55b5a0d447dea63cde772c1078405bbbf96","versionType":"git"},{"lessThan":"be1567992417dc92133e74126de7a6066c825ac9","status":"affected","version":"e13db55b5a0d447dea63cde772c1078405bbbf96","versionType":"git"},{"lessThan":"58c5ec23b1a238eb75cb0aba6f69d8f9e68ef0b2","status":"affect…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kernel/cpu/resctrl/monitor.c","fs/resctrl/monitor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/58c5ec23b1a238eb75cb0aba6f69d8f9e68ef0b2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/be1567992417dc92133e74126de7a6066c825ac9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ebc300b7ee0c669fa76a7a8858298ff32e296103"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/fc16126cc11d9f507130bf84ab137ee0938c900e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:98ea6327e26068818c48460f2b319754ca3c8a19a2d5491965da2775a1047832 · sha256:4c09e1ff17478802… · /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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