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CVE PROGRAM SOURCE RECORDUnscored

CVE-2023-52893

gsmi: fix null-deref in gsmi_get_variable

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: gsmi: fix null-deref in gsmi_get_variable We can get EFI variables without fetching the attribute, so we must allow for that in gsmi. commit 859748255b43 ("efi: pstore: Omit efivars caching EFI varstore access layer") added a new get_variable call with attr=NULL, which triggers panic in gsmi.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 74c5b31c6618f01079212332b2e5f6c42f2d6307 to < ee5763ef829bd923033510de6d1df7c73f085e4baffected
  • 74c5b31c6618f01079212332b2e5f6c42f2d6307 to < 32313c11bdc8a02c577abaf865be3664ab30410aaffected
  • 74c5b31c6618f01079212332b2e5f6c42f2d6307 to < ffef77794fb5f1245c3249b86342bad2299accb5affected
  • 74c5b31c6618f01079212332b2e5f6c42f2d6307 to < ae2a9dcc8caa60b1e14671294e5ec902ea5d1dfdaffected
  • 74c5b31c6618f01079212332b2e5f6c42f2d6307 to < eb0421d90f916dffe96b4c049ddf01c0c50620d2affected
  • 74c5b31c6618f01079212332b2e5f6c42f2d6307 to < 6646d769fdb0ce4318ef9afd127f8526d1ca8393affected
  • 74c5b31c6618f01079212332b2e5f6c42f2d6307 to < a769b05eeed7accc4019a1ed9799dd72067f1ce8affected

Linux Linux

Default version status: affected

  • 3.0affected
  • 0 to < 3.0unaffected
  • 4.14.304 to ≤ 4.14.*unaffected
  • 4.19.271 to ≤ 4.19.*unaffected
  • 5.4.230 to ≤ 5.4.*unaffected
  • 5.10.165 to ≤ 5.10.*unaffected
  • 5.15.90 to ≤ 5.15.*unaffected
  • 6.1.8 to ≤ 6.1.*unaffected
  • 6.2 to ≤ *unaffected

References