CVE-2023-3567: high-severity vulnerability in Red Hat Enterprise Linux 6
Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.4%
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected products
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat · Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Related CVEs — Red Hat Enterprise Linux 6
In the same product, most dangerous first.
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References
http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.htmlhttp://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.htmlhttps://access.redhat.com/errata/RHSA-2024:0412https://access.redhat.com/errata/RHSA-2024:0431https://access.redhat.com/errata/RHSA-2024:0432https://access.redhat.com/errata/RHSA-2024:0439https://access.redhat.com/errata/RHSA-2024:0448https://access.redhat.com/errata/RHSA-2024:0575https://access.redhat.com/errata/RHSA-2024:2394https://access.redhat.com/errata/RHSA-2024:2950https://access.redhat.com/errata/RHSA-2024:3138https://access.redhat.com/security/cve/CVE-2023-3567