CVE-2022-48879

MEDIUM EPSS 15.0%
Published Aug 21, 20241y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Aug 21, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: efi: fix NULL-deref in init error path In cases where runtime services are not supported or have been disabled, the runtime services workqueue will never have been allocated. Do not try to destroy the workqueue unconditionally in the unlikely event that EFI initialisation fails to avoid dereferencing a NULL pointer.

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
15.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥4.19.142  –  <4.19.270
linuxlinux_kernel*≥5.4.61  –  <5.4.229
linuxlinux_kernel*≥5.9  –  <5.10.164
linuxlinux_kernel*≥5.11  –  <5.15.89
linuxlinux_kernel*≥5.16  –  <6.1.7

References 6

  • git.kernel.org https://git.kernel.org/stable/c/4ca71bc0e1995d15486cd7b60845602a28399cb5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/585a0b2b3ae7903c6abee3087d09c69e955a7794
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5fcf75a8a4c3e7ee9122d143684083c9faf20452
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/703c13fe3c9af557d312f5895ed6a5fda2711104
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/adc96d30f6503d30dc68670c013716f1d9fcc747
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e2ea55564229e4bea1474af15b111b3a3043b76f
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/4ca71bc0e1995d15486cd7b60845602a28399cb5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/585a0b2b3ae7903c6abee3087d09c69e955a7794
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5fcf75a8a4c3e7ee9122d143684083c9faf20452
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/703c13fe3c9af557d312f5895ed6a5fda2711104
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/adc96d30f6503d30dc68670c013716f1d9fcc747
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e2ea55564229e4bea1474af15b111b3a3043b76f
    Patch