Out-of-Bounds Affecting kernel-abi-whitelists package, versions <0:3.10.0-1160.41.1.el7
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELABIWHITELISTS-2185937
- published 26 Jul 2021
- disclosed 8 Apr 2021
Introduced: 8 Apr 2021
CVE-2021-29154 Open this link in a new tabHow to fix?
Upgrade Centos:7
kernel-abi-whitelists
to version 0:3.10.0-1160.41.1.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-abi-whitelists
package and not the kernel-abi-whitelists
package as distributed by Centos
.
See How to fix?
for Centos:7
relevant fixed versions and status.
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.
References
- https://security.netapp.com/advisory/ntap-20210604-0006/
- https://access.redhat.com/security/cve/CVE-2021-29154
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/
- http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html
- https://news.ycombinator.com/item?id=26757760
- https://www.openwall.com/lists/oss-security/2021/04/08/1
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
- https://access.redhat.com/errata/RHSA-2021:3327
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=26f55a59dc65ff77cd1c4b37991e26497fc68049
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4d4d456436bfb2fe412ee2cd489f7658449b098