VulnerabilityAwaiting Analysis
CVE-2026-63954
In the Linux kernel, the following vulnerability has been resolved: hpfs: fix a crash if hpfs_map_dnode_bitmap fails If hpfs_map_dnode_bitmap fails, the code would call hpfs_brelse4 on uninitialized quad buffer head, causing a crash.
HIGH 7.8EPSS 0.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: hpfs: fix a crash if hpfs_map_dnode_bitmap fails If hpfs_map_dnode_bitmap fails, the code would call hpfs_brelse4 on uninitialized quad buffer head, causing a crash.
- 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
- 0.17% probability · 6th percentile
- CISA KEV
- Not listed
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/010b08084000ef018f1a8de5197087f3b91d8cfe
- https://git.kernel.org/stable/c/0886c6f257fe3663f80218aa1919b0f3f21bf22c
- https://git.kernel.org/stable/c/1648a3c7f4e18f46a4881920133fc4f2494185a0
- https://git.kernel.org/stable/c/1d73a533760bc5abb83b3cc759133596f7bb708f
- https://git.kernel.org/stable/c/4f37bb30b57d6d403d02673074555bd3c3602bef
- https://git.kernel.org/stable/c/7c58c55a2a16f7274772507bd1637be609351b4f
- https://git.kernel.org/stable/c/974820a59efde7c1a7e1260bcfe9bb81f833cc9f
- https://git.kernel.org/stable/c/d98d8562b3284b5a5c8eb67e71b794508e46e288
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.