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kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe

🗓️ 13 Mar 2024 09:11:23Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Flawed BPF verifier pruning in the Linux kernel may mark unsafe paths as safe, enabling kernel memory read and privilege escalation.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.10-2023-032)
17 May 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.15-2023-018)
17 May 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.4-2023-045)
17 May 202300:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2023:7549)
3 Dec 202300:00
–nessus
Tenable Nessus		AlmaLinux 8 : kpatch-patch (ALSA-2023:7554)
3 Dec 202300:00
–nessus
Tenable Nessus		EulerOS 2.0 SP11 : kernel (EulerOS-SA-2023-2843)
16 Jan 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP11 : kernel (EulerOS-SA-2023-2860)
16 Jan 202400:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.11.1 : kernel (EulerOS-SA-2023-3054)
16 Jan 202400:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.11.0 : kernel (EulerOS-SA-2023-3071)
16 Jan 202400:00
–nessus
Tenable Nessus		MiracleLinux 8 : kernel-4.18.0-513.9.1.el8_9 (AXSA:2024-7403:01)
20 Jan 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.0x86_64kernel-rt0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-core0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-core-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debug-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-core0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debug-core-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-debuginfo0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debug-debuginfo-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-devel0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debug-devel-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-kvm0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debug-kvm-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debug-modules-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules-extra0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debug-modules-extra-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debuginfo0:5.14.0-70.93.1.rt21.165.el9_0kernel-rt-debuginfo-0:5.14.0-70.93.1.rt21.165.el9_0.x86_64.rpm
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28 Jun 2026 12:42Current
7.3High risk
Vulners AI Score7.3
CVSS 3.18.8 - 10
EPSS0.03546
SSVC
CWE-682
Berkeley Packet FilterLinux kernelverifier pruning flawunsafe code pathskernel memory readprivilege escalationcontainer escape
3