CVE-2022-49047

HIGH EPSS 13.5%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ep93xx: clock: Fix UAF in ep93xx_clk_register_gate() arch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] arch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch if (IS_ERR(clk)) ^ arch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released kfree(psc); ^~~~~~~~~~ arch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed return &psc->hw; ^ ~~~~~~~~

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
13.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥5.16  –  <5.17.4
linuxlinux_kernel5.18any
linuxlinux_kernel5.18any

References 2

  • git.kernel.org https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9
    Patch