CVE-2022-49114
scsi: libfc: Fix use after free in fc_exch_abts_resp()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: scsi: libfc: Fix use after free in fc_exch_abts_resp() fc_exch_release(ep) will decrease the ep's reference count. When the reference count reaches zero, it is freed. But ep is still used in the following code, which will lead to a use after free. Return after the fc_exch_release() call to avoid use after free.
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
2.6.29
References 9
git.kernel.org
- stable/c/4a131d4ea8b581ac9b01d3a72754db4848be3232
- stable/c/499d198494e77b6533251b9b909baf5c101129cb
- stable/c/6044ad64f41c87382cfeeca281573d1886d80cbe
- stable/c/5cf2ce8967b0d98c8cfa4dc42ef4fcf080f5c836
- stable/c/1d7effe5fff9d28e45e18ac3a564067c7ddfe898
- stable/c/f581df412bc45c95176e3c808ee2839c05b2ab0c
- stable/c/87909291762d08fdb60d19069d7a89b5b308d0ef
- stable/c/412dd8299b02e4410fe77b8396953c1a8dde183a
- stable/c/271add11994ba1a334859069367e04d2be2ebdd4