CVE-2020-16119
DCCP CCID structure use-after-free
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191, and 1 more
- 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
Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Timeline
- CVE published
- Record last updated
Affected versions
- Canonical Linux kernel
From 5.4 kernel · fixed in 5.4.0-51.56; From 5.3 kernel · fixed in 5.3.0-68.63; From 4.15 kernel · fixed in 4.15.0-121.123; From 4.4 kernel · fixed in 4.4.0-193.224; From 3.13 kernel · fixed in 3.13.0.182.191; From 3.2 kernel · fixed in 3.2.0-149.196