CVE-2025-37796
wifi: at76c50x: fix use after free access in at76_disconnect
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: wifi: at76c50x: fix use after free access in at76_disconnect The memory pointed to by priv is freed at the end of at76_delete_device function (using ieee80211_free_hw). But the code then accesses the udev field of the freed object to put the USB device. This may also lead to a memory leak of the usb device. Fix this by using udev from interface.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.17
References 8
git.kernel.org
- stable/c/c731cdfddcf1be1590d5ba8c9b508f98e3a2b3d6
- stable/c/6e4ab3e574c2a335b40fa1f70d1c54fcb58ab33f
- stable/c/3c619aec1f538333b56746d2f796aab1bca5c9a5
- stable/c/5e7df74745700f059dc117a620e566964a2e8f2c
- stable/c/7ca513631fa6ad3011b8b9197cdde0f351103704
- stable/c/a9682bfef2cf3802515a902e964d774e137be1b9
- stable/c/152721cbae42713ecfbca6847e0f102ee6b19546
- stable/c/27c7e63b3cb1a20bb78ed4a36c561ea4579fd7da