Vulnerability Details CVE-2021-20265
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.2%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.9
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1908827
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa0dc04df259ba2df3ce1920e9690c7842f8fa4b
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1908827
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa0dc04df259ba2df3ce1920e9690c7842f8fa4b
- https://www.oracle.com/security-alerts/cpuoct2021.html
Products affected by CVE-2021-20265
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cpe:2.3:a:oracle:tekelec_platform_distribution:7.4.0
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cpe:2.3:a:oracle:tekelec_platform_distribution:7.7.1
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cpe:2.3:o:linux:linux_kernel:-