ALT Linux Team

Branch p8 update on 2021-04-14

2021-04-14

ALT-BU-2021-3851-1

Branch p8 update bulletin.

ALT-PU-2021-1646-1

Package kernel-image-un-def updated to version 4.19.186-alt0.M80P.1 for branch p8 in task 269653.

Closed vulnerabilities

Published: 2021-04-08

BDU:2021-02182

Уязвимость компонента BPF JIT (arch/x86/net/bpf_jit_comp.c и arch/x86/net/bpf_jit_comp32.c.) ядра операционной системы Linux, позволяющая нарушителю выполнить произвольный код

Severity: HIGH (7.8) Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2021-04-09
Modified: 2024-11-21

CVE-2021-29154

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.

Severity: HIGH (7.8) Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
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Version: 2.1.0
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