efi/libstub: Free correct pointer on failure (Linux Linux)

CVE-2024-56573
HIGH 7.0

At a glance

Source
NVD
EPSS
EPSS 0.23 % · percentile 14 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: efi/libstub: Free correct pointer on failure cmdline_ptr is an out parameter, which is not allocated by the function itself, and likely points into the caller's stack. cmdline refers to the pool allocation that should be freed when cleaning up after a failure, so pass this instead to free_pool().

Weaknesses (CWE)

  • CWE-763 — Release of Invalid Pointer or Reference

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9 < d173aee5709bd0994d216d60589ec67f8b11376a ; affected 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9 < eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf ; affected 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9 < 06d39d79cbd5a91a33707951ebf2512d0e759847
Linux · Linuxaffected 6.2 ; unaffected 0 < 6.2 ; unaffected 6.6.64 ≤ 6.6.* ; unaffected 6.12.4 ≤ 6.12.* ; unaffected 6.13 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD