CVE-2023-53839
dccp: fix data-race around dp->dccps_mss_cache
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: dccp: fix data-race around dp->dccps_mss_cache dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket. Same thing in do_dccp_getsockopt(). Add READ_ONCE()/WRITE_ONCE() annotations, and change dccp_sendmsg() to check again dccps_mss_cache after socket is locked.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.14
References 8
git.kernel.org
- stable/c/162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1
- stable/c/2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817
- stable/c/67eebc7a9217f999b779d46fba5312a716f0dc1d
- stable/c/6d701c95ee6463abcbb6da543060d6e444554135
- stable/c/f239c9e1d98b313435481b4926e8bdd06197e4d8
- stable/c/a6ddc1c774874dc704f96a99d015dc759627bba7
- stable/c/d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384
- stable/c/a47e598fbd8617967e49d85c49c22f9fc642704c