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THREAT OPS › Threat News › [NVD] CVE-2026-63808 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: exfat: fix potential use-after-free in exfat_find_dir_entry() In exfat_find_dir_entry(), the buffer_head obtained from exfat_get_dentry() is released with brelse(bh) before the fall-through TYPE_EXTEND branch r

[NVD] CVE-2026-63808 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: exfat: fix potential use-after-free in exfat_find_dir_entry() In exfat_find_dir_entry(), the buffer_head obtained from exfat_get_dentry() is released with brelse(bh) before the fall-through TYPE_EXTEND branch r

mednvdPublished 2026-07-19

CVE-2026-63808 CVSS: 9.8 CRITICAL Published: 2026-07-19T12:16:53.620

In the Linux kernel, the following vulnerability has been resolved:

exfat: fix potential use-after-free in exfat_find_dir_entry()

In exfat_find_dir_entry(), the buffer_head obtained from exfat_get_dentry() is released with brelse(bh) before the fall-through TYPE_EXTEND branch reads the directory entry through ep (which points

Indicators of compromise

CVE-2026-63808cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-63808