CVE-2026-43393

MEDIUM EPSS 2.3%
Published May 8, 20261mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 8, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies() Fix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥6.12  –  <6.12.78
linuxlinux_kernel*≥6.13  –  <6.18.19
linuxlinux_kernel*≥6.19  –  <6.19.9
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 4

  • git.kernel.org https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050
    Patch