CVEvulnerability

CVE-2024-26632

5.5 MEDIUM Published 2024-03-18 Modified 2026-08-04 Official page ↗
Status
Modified
Published
2024-03-18
Last modified
2026-08-04
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: block: Fix iterating over an empty bio with bio_for_each_folio_all If the bio contains no data, bio_first_folio() calls page_folio() on a NULL pointer and oopses. Move the test that we've reached the end of the bio from bio_next_folio() to bio_first_folio(). [axboe: add unlikely() to error case]

Affected configurations

• linux linux kernel (>= 5.17 < 6.1.75) • linux linux kernel (>= 6.2 < 6.6.14) • linux linux kernel (>= 6.7 < 6.7.2)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References