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CVE-2026-31590

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Drop WARN on large size for KVM_MEMORY_ENCRYPT_REG_REGION Drop the WARN in sev_pin_memory() on npages overflowing an int, as the WARN is comically trivially to trigger from userspace, e.g. by doing: struct kvm_enc_region range = { .addr = 0, .size = -1ul, }; __vm_ioctl(vm, KVM_MEMORY_ENCRYPT_REG_REGION, &range); Note, the checks in sev_mem_enc_register_region() that presumably exist to ve
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:68e57ea3a15bb445b7e113b519ec1f710642576581c38974a0c098c1e1db4cb3
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/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThan…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6a8e3c82122737529b25ef2a048fbcc569d8c055","status":"affected","version":"78824fabc72e5e37d51e6e567fde70a4fc41a6d7","versionType":"git"},{"lessThan":"a703933bcfa5cc76ca10e2048464600e74136099","status":"affected","version":"78824fabc72e5e37d51e6e567fde70a4fc41a6d7","versionType":"git"},{"lessThan":"abcd43ff579abd0a654bb4636086e78819dd5f4c","status":"affected","version":"78824fabc72e5e37d51e6e5…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThan…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6a8e3c82122737529b25ef2a048fbcc569d8c055","status":"affected","version":"78824fabc72e5e37d51e6e567fde70a4fc41a6d7","versionType":"git"},{"lessThan":"a703933bcfa5cc76ca10e2048464600e74136099","status":"affected","version":"78824fabc72e5e37d51e6e567fde70a4fc41a6d7","versionType":"git"},{"lessThan":"abcd43ff579abd0a654bb4636086e78819dd5f4c","status":"affected","version":"78824fabc72e5e37d51e6e5…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/affected/0

Source references

9 source assertions
{"url":"https://git.kernel.org/stable/c/1cba4dcd795daf6d257122779fb6a349edf03914"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/28cc13ca20431b127d42d84ba10898d03e2c8267"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/6a8e3c82122737529b25ef2a048fbcc569d8c055"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/8acffeef5ef720c35e513e322ab08e32683f32f2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/8
{"url":"https://git.kernel.org/stable/c/a703933bcfa5cc76ca10e2048464600e74136099"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ab423e5892826202a660b5ac85d1125b0e8301a5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/abcd43ff579abd0a654bb4636086e78819dd5f4c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b670833749ffd8681361db2bb047c6f2e3075f3a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c29ff288a2d97a6f4640a498a367cf0eb91312eb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a7fc174dd8b6571ece5eb55e90a57572e189d7f80855927f357405f448c0e1d3 · sha256:75ec773eb22e679e… · /containers/cna/references/6

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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