CVE-2023-53457
FS: JFS: Fix null-ptr-deref Read in txBegin
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.12
References 8
git.kernel.org
- stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d
- stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea
- stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2
- stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1
- stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15
- stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3
- stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8
- stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27