CVE-2024-38541
In the Linux kernel, the following vulnerability has been resolved: of: module: add buffer overflow check in of_modalias() In of_modalias(), if the buffer happens to be too small even for the 1st snprintf() call, the len parameter will become negative…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: of: module: add buffer overflow check in of_modalias() In of_modalias(), if the buffer happens to be too small even for the 1st snprintf() call, the len parameter will become negative and str parameter (if not NULL initially) will point beyond the buffer's end. Add the buffer overflow check after the 1st snprintf() call and fix such check after the strlen() call (accounting for the terminating NUL char).
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.89% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/0b0d5701a8bf02f8fee037e81aacf6746558bfd6Patch
- https://git.kernel.org/stable/c/46795440ef2b4ac919d09310a69a404c5bc90a88Patch
- https://git.kernel.org/stable/c/5d59fd637a8af42b211a92b2edb2474325b4d488Patch
- https://git.kernel.org/stable/c/733e62786bdf1b2b9dbb09ba2246313306503414Patch
- https://git.kernel.org/stable/c/c7f24b7d94549ff4623e8f41ea4d9f5319bd8ac8Patch
- https://git.kernel.org/stable/c/cf7385cb26ac4f0ee6c7385960525ad534323252Patch
- https://git.kernel.org/stable/c/e45b69360a63165377b30db4a1dfddd89ca18e9aPatch
- https://git.kernel.org/stable/c/ee332023adfd5882808f2dabf037b32d6ce36f9ePatch
- https://git.kernel.org/stable/c/0b0d5701a8bf02f8fee037e81aacf6746558bfd6Patch
- https://git.kernel.org/stable/c/cf7385cb26ac4f0ee6c7385960525ad534323252Patch
- https://git.kernel.org/stable/c/e45b69360a63165377b30db4a1dfddd89ca18e9aPatch
- https://git.kernel.org/stable/c/ee332023adfd5882808f2dabf037b32d6ce36f9ePatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.