CVE-2022-50140

MEDIUM EPSS 5.2%
Published Jun 18, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: memstick/ms_block: Fix a memory leak 'erased_blocks_bitmap' is never freed. As it is allocated at the same time as 'used_blocks_bitmap', it is likely that it should be freed also at the same time. Add the corresponding bitmap_free() in msb_data_clear().

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
5.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥3.12  –  <4.14.291
linuxlinux_kernel*≥4.15  –  <4.19.256
linuxlinux_kernel*≥4.20  –  <5.4.211
linuxlinux_kernel*≥5.5  –  <5.10.137
linuxlinux_kernel*≥5.11  –  <5.15.61
linuxlinux_kernel*≥5.16  –  <5.18.18
linuxlinux_kernel*≥5.19  –  <5.19.2

References 8

  • git.kernel.org https://git.kernel.org/stable/c/16e07966638717416abf45393d6a80a5a1034429
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/37958980eb4cd71ae594ace093c11b6a91e165e8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/39be95d1ff7b44c1e969af72ba9da7332dfcc1da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/54eb7a55be6779c4d0c25eaf5056498a28595049
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9260a154b3b5e387dbceec7c0ac441470646bc6f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/961d7d12080fe70847f944d656e36cd0dd0214ba
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9d8b911fe3c3ed788c66edba7c90e32a4a7a5f53
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/efd675246aec045507b9425c67b548cc2d782d8f
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/16e07966638717416abf45393d6a80a5a1034429
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/37958980eb4cd71ae594ace093c11b6a91e165e8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/39be95d1ff7b44c1e969af72ba9da7332dfcc1da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/54eb7a55be6779c4d0c25eaf5056498a28595049
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9260a154b3b5e387dbceec7c0ac441470646bc6f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/961d7d12080fe70847f944d656e36cd0dd0214ba
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9d8b911fe3c3ed788c66edba7c90e32a4a7a5f53
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/efd675246aec045507b9425c67b548cc2d782d8f
    Patch