CVE-2026-90318: vulnerability in Linux
fat: release buffer head after rebuilding parent
Published
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 90% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
fat: release buffer head after rebuilding parent
fat_scan_logstart() leaves the matching directory entry's buffer head in
sinfo.bh for the caller to release, just like fat_scan().
fat_rebuild_parent() uses the directory entry to rebuild the parent inode
for the nostale_ro NFS export path, but does not release sinfo.bh after a
successful scan. Release it once fat_build_inode() has consumed the
directory entry data.
Affected products
Linux · LinuxRelated CVEs — Linux
In the same product, most dangerous first.
CVE-2024-53197HIGHALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devicesEPSS 4.1%KEVCVE-2026-31431HIGHcrypto: algif_aead - Revert to operating out-of-placeEPSS 3.4%KEVCVE-2024-53104HIGHmedia: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_formatEPSS 3.4%KEVCVE-2025-39682CRITICALtls: fix handling of zero-length records on the rx_listEPSS 2.9%KEVCVE-2024-36971HIGHnet: fix __dst_negative_advice() raceEPSS 2.7%KEVCVE-2024-53150HIGHALSA: usb-audio: Fix out of bounds reads when finding clock sourcesEPSS 1.4%KEV
References
https://git.kernel.org/stable/c/0f18d712ba9c980e05b7e33a27cde4fe3ed2d393https://git.kernel.org/stable/c/571ea4263d69df1b48578e4314a828ecd0604755https://git.kernel.org/stable/c/5e44b6944e11fd6647f028219ad0be4e85e9aceehttps://git.kernel.org/stable/c/7565e44507634514e3e1899d3acad3de43f7a2c1https://git.kernel.org/stable/c/83e98dbf19ab64e8528e101e20f8d50e1aaa68a8https://git.kernel.org/stable/c/c6a67aa438179cad40f8ae45469e304338d65c0ahttps://git.kernel.org/stable/c/d2a86329152c69a6200c15b2bf618755f8563826https://git.kernel.org/stable/c/e38587d98d1ceac608420052c0cdd901d25878f3