net: mana: fix use-after-free in add_adev() error path
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- Fix
- Fixed in 6.6.134, 6.12.81, 6.18.22, 6.19.12
- 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
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: net: mana: fix use-after-free in add_adev() error path If auxiliary_device_add() fails, add_adev() jumps to add_fail and calls auxiliary_device_uninit(adev). The auxiliary device has its release callback set to adev_release(), which frees the containing struct mana_adev. Since adev is embedded in struct mana_adev, the subsequent fall-through to init_fail and access to adev->id may result in a use-after-free. Fix this by saving the allocated auxiliary device id in a local variable before calling auxiliary_device_add(), and use that saved id in the cleanup path after auxiliary_device_uninit().
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From a69839d4327d053b18d8e1b0e7ddeee78db78f4f · fixed in d88541ffd56d62a61e77209080001eddd4d69815; From a69839d4327d053b18d8e1b0e7ddeee78db78f4f · fixed in 43f5b19fd190fea20d052bc84741b28031d5baa9; From a69839d4327d053b18d8e1b0e7ddeee78db78f4f · fixed in 5f4061f8225d18695e5afe9bbf1cb7bd673d7872; From a69839d4327d053b18d8e1b0e7ddeee78db78f4f · fixed in e5a75bf026c686b91a7dc6f9c5caf5016745d1fe; From a69839d4327d053b18d8e1b0e7ddeee78db78f4f · fixed in c4ea7d8907cf72b259bf70bd8c2e791e1c4ff70f
- Linux Linux
6.2
- KernelLinux
From 6.2.0 · fixed in 6.6.134; From 6.7.0 · fixed in 6.12.81; From 6.13.0 · fixed in 6.18.22; From 6.19.0 · fixed in 6.19.12