Out-of-bounds Read Affecting kernel-tools package, versions <0:4.18.0-477.21.1.el8_8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-5429372
- published 19 Apr 2023
- disclosed 12 Apr 2023
Introduced: 12 Apr 2023
CVE-2023-2124 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-tools to version 0:4.18.0-477.21.1.el8_8 or higher.
This issue was patched in RHSA-2023:4517.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
An out-of-bounds memory access flaw was found in the Linux kernel’s XFS file system in how a user restores an XFS image after failure (with a dirty log journal). This flaw allows a local user to crash or potentially escalate their privileges on the system.
References
- https://access.redhat.com/security/cve/CVE-2023-2124
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/xfs/xfs_buf_item_recover.c?h=v6.4-rc1&id=22ed903eee23a5b174e240f1cdfa9acf393a5210
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20230622-0010/
- https://syzkaller.appspot.com/bug?extid=7e9494b8b399902e994e
- https://www.debian.org/security/2023/dsa-5448
- https://www.debian.org/security/2023/dsa-5480