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CVE-2026-23280

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Prevent ubuf size overflow The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption. Use check_add_overflow() helpers to validate the size calculation before allocation.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e7902170d617b3016cbc7a23d060fa43e85b18e91826d340c48e64f8e127720f
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/accel/amdxdna/amdxdna_ubuf.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":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1500b31db94374a6669e73ce94d6f71cf8e85e06","status":"affected","version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","versionType":"git"},{"lessThan":"972bf4a23478fcb247b4f507d47a584bc8aea5bd","status":"affected","version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","versionType":"git"},{"lessThan":"03808abb1d868aed7478a11a82e5bb4b3f1ca6d6","status":"affected","version":"bd72d4acd…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.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":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1500b31db94374a6669e73ce94d6f71cf8e85e06","status":"affected","version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","versionType":"git"},{"lessThan":"972bf4a23478fcb247b4f507d47a584bc8aea5bd","status":"affected","version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","versionType":"git"},{"lessThan":"03808abb1d868aed7478a11a82e5bb4b3f1ca6d6","status":"affected","version":"bd72d4acd…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a62d5d31f7771e96e3f71a5dd0495d5a17bc61b3f395165d7eea3b203d40ef15 · sha256:e78c3bbceb6c6417… · /containers/cna/references/1

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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