VulnerabilityModified
CVE-2023-3111
A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel.
HIGH 7.8EPSS 0.44%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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().
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · debian/debian linux · netapp/h300s firmware · netapp/h410c firmware · netapp/h410s firmware · netapp/h500s firmware · netapp/h700s firmware
- Source
- secalert@redhat.com
References
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
- https://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6%40gmail.com/
- https://security.netapp.com/advisory/ntap-20230703-0007/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
- https://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6%40gmail.com/
- https://security.netapp.com/advisory/ntap-20230703-0007/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.