CVE-2022-49047

ep93xx: clock: Fix UAF in ep93xx_clk_register_gate()

State: Published
Severity: 7.8 High
Published: Feb 26, 2025
Updated: May 11, 2026
Reserved: Feb 26, 2025

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; ^ ~~~~~~~~

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
LinuxLinux	9645ccc7bd7a16cd73c3be9dee70cd702b03be37 to before 0f12166872da46c6b57ba2f1314bbf310b3bf017Affected 9645ccc7bd7a16cd73c3be9dee70cd702b03be37 to before 3b68b08885217abd9c57ff9b3bb3eb173eee02a9Affected
LinuxLinux	5.16Affected before 5.16Not affected 5.17.4 through 5.17.*Not affected 5.18 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.