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CVE-2020-27825

Description

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

Risk Information

Base Score
5.7
MODERATE
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
EPSS Score
Exploitation Probability
0.138

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-debuginfo-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debuginfo-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debugsource-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-debuginfo-4.12.14-122.57.1.x86_64.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-4.12.14-122.57.1.noarch.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-macros-4.12.14-122.57.1.noarch.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-4.12.14-122.57.1.noarch.rpmLinux
SUSE-SU-2021:0133-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-4.12.14-122.57.1.x86_64.rpmLinux
kernel Security Update (ALAS-2021-1600) kernel-livepatch-4.14.219-161.340-1.0-0.amzn2.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234