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CVE-2026-53359

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GFN") fixed a shadow paging mismatch between stored and computed GFNs; the bug could be triggered by changing a PDE mapping from outside the guest, and then deleting a memslot. The rmap_remove() call would miss entries created after the PDE change because the GFN of the leaf SPT
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7128edb1156094ac65dc2b654f431374abb74c19250dac8314c13f7498d9fd1e
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/kvm/mmu/mmu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.36"},{"lessThan":"2.6.36","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.177","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.144","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessT…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/mmu/mmu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b1337aae5e194324e4810d561764e7793f8b3864","status":"affected","version":"2032a93d66fa282ba0f2ea9152eeff9511fa9a96","versionType":"git"},{"lessThan":"9291654d69e08542de37755cebe4d5b02c3170d1","status":"affected","version":"2032a93d66fa282ba0f2ea9152eeff9511fa9a96","versionType":"git"},{"lessThan":"2ad3afa40ac6aa340dada122f9abfa46c0a6eb35","status":"affected","version":"2032a93d66fa282ba0f2ea9…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/mmu/mmu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.36"},{"lessThan":"2.6.36","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.177","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.144","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessT…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/mmu/mmu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b1337aae5e194324e4810d561764e7793f8b3864","status":"affected","version":"2032a93d66fa282ba0f2ea9152eeff9511fa9a96","versionType":"git"},{"lessThan":"9291654d69e08542de37755cebe4d5b02c3170d1","status":"affected","version":"2032a93d66fa282ba0f2ea9152eeff9511fa9a96","versionType":"git"},{"lessThan":"2ad3afa40ac6aa340dada122f9abfa46c0a6eb35","status":"affected","version":"2032a93d66fa282ba0f2ea9…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /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:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

8 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/07/06/7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/1ae7d5a6db6c190ce183e3098ca0e0846e14d462"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/2ad3afa40ac6aa340dada122f9abfa46c0a6eb35"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/5e470998a23e4c3d89ed24e8172cb22747e61efa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/81ccda30b4e83d8f5cc4fd50503c44e3a33abfeb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/9291654d69e08542de37755cebe4d5b02c3170d1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/b1337aae5e194324e4810d561764e7793f8b3864"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/V4bel/Januscape/blob/main/assets/write-up.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0ccdb7c20c1b88ba0902ba07b76b98ada242ae62987026bd23985535b77efd8 · sha256:bafb584f7aeb6579… · /containers/adp/1/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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