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CVE-2026-53147

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Validate XDomain request packet size before type cast tb_xdp_handle_request() casts the received packet buffer to protocol-specific structs without verifying that the allocation is large enough for the target type. A peer can send a minimal XDomain packet that passes the generic header length check but is shorter than the struct accessed after the cast, causing out-of- bounds reads from the kmemdup allocation. P
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d03f050a8a7526cabec4e8bb3d6c4d17ebd3bf8e1c9ca0279da54c9c10fe93ef
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":["drivers/thunderbolt/xdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a770e62923090d7572f1f5a8507ae551d354a057","status":"affected","version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","versionType":"git"},{"lessThan":"0dd61ba03d05187726ecdf9c0e2175a81b9b24f6","status":"affected","version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","versionType":"git"},{"lessThan":"79235c8add5da4bf27a12f5a5dbb579f300c059e","status":"affected","version":"cdae7c07e3e3509e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/thunderbolt/xdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"le…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/thunderbolt/xdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a770e62923090d7572f1f5a8507ae551d354a057","status":"affected","version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","versionType":"git"},{"lessThan":"0dd61ba03d05187726ecdf9c0e2175a81b9b24f6","status":"affected","version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","versionType":"git"},{"lessThan":"79235c8add5da4bf27a12f5a5dbb579f300c059e","status":"affected","version":"cdae7c07e3e3509e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/thunderbolt/xdomain.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"le…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/07cd2787cdf8942d24a1a3ef81aa89b526fb6381"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/0dd61ba03d05187726ecdf9c0e2175a81b9b24f6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/46da5c3ea011e884028a91cf913db093920a915b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/79235c8add5da4bf27a12f5a5dbb579f300c059e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/a504b9f2797b739e0304d537e8aa4ce883ecce39"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/a770e62923090d7572f1f5a8507ae551d354a057"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8f1a849f1bb477609e8e1164ac6bac1e3e320d29d249096312ef13ed00461f77 · sha256:b670eac3ea3207c7… · /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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