CVE-2021-29154

Published: Apr 8, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

FEDORA-2021-e71c033f88

vendor-advisory

[debian-lts-announce] 20210623 [SECURITY] [DLA 2689-1] linux security update

mailing-list

[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update

mailing-list

https://www.oracle.com/security-alerts/cpujul2022.html

https://www.openwall.com/lists/oss-security/2021/04/08/1

https://news.ycombinator.com/item?id=26757760

http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html

https://security.netapp.com/advisory/ntap-20210604-0006/

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4d4d456436bfb2fe412ee2cd489f7658449b098

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=26f55a59dc65ff77cd1c4b37991e26497fc68049

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CVE-2021-29154

Description

Affected Products

References