CVE-2025-38671
i2c: qup: jump out of the loop in case of timeout
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: qup: jump out of the loop in case of timeout Original logic only sets the return value but doesn't jump out of the loop if the bus is kept active by a client. This is not expected. A malicious or buggy i2c client can hang the kernel in this case and should be avoided. This is observed during a long time test with a PCA953x GPIO extender. Fix it by changing the logic to not only sets the return value, but also jumps out of the loop and return to the caller with -ETIMEDOUT.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.17
References 8
git.kernel.org
- stable/c/cbec4406998185e0311ae97dfacc649f9cd79b0b
- stable/c/acfa2948be630ad857535cb36153697f3cbf9ca9
- stable/c/d05ec13aa3eb868a60dc961b489053a643863ddc
- stable/c/c523bfba46c4b4d7676fb050909533a766698ecd
- stable/c/0d33913fce67a93c1eb83396c3c9d6b411dcab33
- stable/c/42c4471b30fa203249f476dd42321cd7efb7f6a8
- stable/c/89459f168b78e5c801dc8b7ad037b62898bc4f57
- stable/c/a7982a14b3012527a9583d12525cd0dc9f8d8934