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CVE-2026-31553

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix the descriptor address in __kvm_at_swap_desc() Using "(u64 __user *)hva + offset" to get the virtual addresses of S1/S2 descriptors looks really wrong, if offset is not zero. What we want to get for swapping is hva + offset, not hva + offset*8. ;-) Fix it.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f6483ecf5db7f3d3c7ec9b29dc376428c4f81665d91fc046327773af589b1352
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/arm64/kvm/at.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":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebc84c2e0852214de2ce20edc6a1a5c9f18ccea6e3e572a78bdac6cda76b19fb · sha256:0beddb975268d182… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/arm64/kvm/at.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4307e05e568782fc92eff651b09ee5dee88a058d","status":"affected","version":"f6927b41d57390c597a126063e2e518911976878","versionType":"git"},{"lessThan":"0496acc42fb51eee040b5170cec05cec41385540","status":"affected","version":"f6927b41d57390c597a126063e2e518911976878","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebc84c2e0852214de2ce20edc6a1a5c9f18ccea6e3e572a78bdac6cda76b19fb · sha256:0beddb975268d182… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/arm64/kvm/at.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":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebc84c2e0852214de2ce20edc6a1a5c9f18ccea6e3e572a78bdac6cda76b19fb · sha256:0beddb975268d182… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/arm64/kvm/at.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4307e05e568782fc92eff651b09ee5dee88a058d","status":"affected","version":"f6927b41d57390c597a126063e2e518911976878","versionType":"git"},{"lessThan":"0496acc42fb51eee040b5170cec05cec41385540","status":"affected","version":"f6927b41d57390c597a126063e2e518911976878","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebc84c2e0852214de2ce20edc6a1a5c9f18ccea6e3e572a78bdac6cda76b19fb · sha256:0beddb975268d182… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ebc84c2e0852214de2ce20edc6a1a5c9f18ccea6e3e572a78bdac6cda76b19fb · sha256:0beddb975268d182… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/0496acc42fb51eee040b5170cec05cec41385540"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebc84c2e0852214de2ce20edc6a1a5c9f18ccea6e3e572a78bdac6cda76b19fb · sha256:0beddb975268d182… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/4307e05e568782fc92eff651b09ee5dee88a058d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebc84c2e0852214de2ce20edc6a1a5c9f18ccea6e3e572a78bdac6cda76b19fb · sha256:0beddb975268d182… · /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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