CVE-2024-56603
net: af_can: do not leave a dangling sk pointer in can_create()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: net: af_can: do not leave a dangling sk pointer in can_create() On error can_create() frees the allocated sk object, but sock_init_data() has already attached it to the provided sock object. This will leave a dangling sk pointer in the sock object and may cause use-after-free later.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.25
References 7
git.kernel.org
- stable/c/884ae8bcee749be43a071d6ed2d89058dbd2425c
- stable/c/ce39b5576785bb3e66591145aad03d66bc3e778d
- stable/c/1fe625f12d090d69f3f084990c7e4c1ff94bfe5f
- stable/c/5947c9ac08f0771ea8ed64186b0d52e9029cb6c0
- stable/c/db207d19adbac96058685f6257720906ad41d215
- stable/c/8df832e6b945e1ba61467d7f1c9305e314ae92fe
- stable/c/811a7ca7320c062e15d0f5b171fe6ad8592d1434