Use After Free Affecting kernel package, versions *
Threat Intelligence
EPSS
0.05% (16th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-KERNEL-5667799
- published 6 Jun 2023
- disclosed 21 Jul 2022
Introduced: 21 Jul 2022
CVE-2023-3111 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7 kernel.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
References
- https://access.redhat.com/security/cve/CVE-2023-3111
- https://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6@gmail.com/
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6%40gmail.com/
- https://security.netapp.com/advisory/ntap-20230703-0007/
- https://www.debian.org/security/2023/dsa-5480
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