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kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race

🗓️ 22 May 2024 10:03:03Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Use-after-free in vcs_read of vc_screen.c enables local users to crash the kernel or leak info due to a race.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Linux Kernel vulnerabilities may affect IBM Storage Scale System
4 Apr 202411:02
–ibm
IBM Security Bulletins		Security Bulletin: IBM Technical Suppport Appliance - possible security flaws or denial of service
26 Mar 202503:45
–ibm
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-132)
21 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-228)
28 Jun 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALAS-2023-2359)
4 Dec 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALAS-2025-2834)
1 May 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-028 (ALASKERNEL-5.10-2023-028)
22 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-034 (ALASKERNEL-5.10-2023-034)
29 Jun 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.15-2023-014)
22 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-021 (ALASKERNEL-5.15-2023-021)
29 Jun 202300:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10aarch64bpftool0:4.18.0-553.el8_10bpftool-0:4.18.0-553.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lebpftool0:4.18.0-553.el8_10bpftool-0:4.18.0-553.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xbpftool0:4.18.0-553.el8_10bpftool-0:4.18.0-553.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64bpftool0:4.18.0-553.el8_10bpftool-0:4.18.0-553.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64bpftool-debuginfo0:4.18.0-553.el8_10bpftool-debuginfo-0:4.18.0-553.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lebpftool-debuginfo0:4.18.0-553.el8_10bpftool-debuginfo-0:4.18.0-553.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xbpftool-debuginfo0:4.18.0-553.el8_10bpftool-debuginfo-0:4.18.0-553.el8_10.s390x.rpm
Red Hat Enterprise Linux8.10x86_64bpftool-debuginfo0:4.18.0-553.el8_10bpftool-debuginfo-0:4.18.0-553.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64kernel0:4.18.0-553.el8_10kernel-0:4.18.0-553.el8_10.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lekernel0:4.18.0-553.el8_10kernel-0:4.18.0-553.el8_10.ppc64le.rpm
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08 Jul 2026 12:23Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.1
EPSS0.00419
CWE-416
use after freerace conditionvc screenlocal userkernel crashkernel info leak
3