CVE-2022-49809

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

Description

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.

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
5.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 14

VendorProductVersionRange
linuxlinux_kernel*≥3.0.72  –  <3.1
linuxlinux_kernel*≥3.1.1  –  <4.9.334
linuxlinux_kernel*≥4.10  –  <4.14.300
linuxlinux_kernel*≥4.15  –  <4.19.267
linuxlinux_kernel*≥4.20  –  <5.4.225
linuxlinux_kernel*≥5.5  –  <5.10.156
linuxlinux_kernel*≥5.11  –  <5.15.80
linuxlinux_kernel*≥5.16  –  <6.0.10
linuxlinux_kernel3.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921
    Patch