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kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment

🗓️ 28 Nov 2023 15:40:03Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Kernel framebuffer console memory corruption in set_con2fb_map causes crash and denial of service.

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
ATTACKERKB		CVE-2023-38409
17 Jul 202322:15
–attackerkb
AlmaLinux		Moderate: kernel-rt security and bug fix update
22 May 202400:00
–almalinux
AlmaLinux		Moderate: kernel security, bug fix, and enhancement update
22 May 202400:00
–almalinux
BDU FSTEC		The vulnerability of the set_con2fb_map() function in the drivers/video/fbdev/core/fbcon.c file of the Linux kernel allows a hacker to cause a service failure.
24 Jul 202300:00
–bdu_fstec
CBLMariner		CVE-2023-38409 affecting package kernel 5.10.185.1-1
15 Aug 202316:37
–cbl_mariner
CBLMariner		CVE-2023-38409 affecting package kernel for versions less than 5.15.122.1-2
10 Aug 202316:37
–cbl_mariner
CBLMariner		CVE-2023-38409 affecting package hyperv-daemons for versions less than 5.15.122.1-1
10 Aug 202316:37
–cbl_mariner
Tenable Nessus		CentOS 7 : kernel (RHSA-2024:1249)
12 Mar 202400:00
–nessus
Tenable Nessus		CBL Mariner 2.0 Security Update: hyperv-daemons / kernel (CVE-2023-38409)
11 Aug 202300:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8aarch64bpftool4.18.0-477.36.1.el8_8bpftool-4.18.0-477.36.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64lebpftool4.18.0-477.36.1.el8_8bpftool-4.18.0-477.36.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8s390xbpftool4.18.0-477.36.1.el8_8bpftool-4.18.0-477.36.1.el8_8.s390x.rpm
Red Hat Enterprise Linux8.8x86_64bpftool4.18.0-477.36.1.el8_8bpftool-4.18.0-477.36.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8aarch64bpftool-debuginfo4.18.0-477.36.1.el8_8bpftool-debuginfo-4.18.0-477.36.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64lebpftool-debuginfo4.18.0-477.36.1.el8_8bpftool-debuginfo-4.18.0-477.36.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8s390xbpftool-debuginfo4.18.0-477.36.1.el8_8bpftool-debuginfo-4.18.0-477.36.1.el8_8.s390x.rpm
Red Hat Enterprise Linux8.8x86_64bpftool-debuginfo4.18.0-477.36.1.el8_8bpftool-debuginfo-4.18.0-477.36.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8aarch64kernel4.18.0-477.36.1.el8_8kernel-4.18.0-477.36.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64lekernel4.18.0-477.36.1.el8_8kernel-4.18.0-477.36.1.el8_8.ppc64le.rpm
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29 Jun 2026 22:05Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.15.5
EPSS0.0018
SSVC
CWE-129
memory corruptionframebuffer consoleset_con2fb_maplinux kerneldenial of service
2