VULNERABILITY INTELLIGENCE
CVE-2023-52893
CVSS score5.5 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2024-08-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-476
Primary references
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — Patch
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — Patch
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — Patch
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — Patch
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — Patch
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — Patch
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — Patch