CVE-2026-31710Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: smb: client: fix dir separator in SMB1 UNIX mounts When calling cifs_mount_get_tcon() with SMB1 UNIX mounts, @cifs_sb->mnt_cifs_flags needs to be read or updated only …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 21.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.1%
— → 5.5
none → medium
0.1% → 0.1%
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix dir separator in SMB1 UNIX mounts
When calling cifs_mount_get_tcon() with SMB1 UNIX mounts, @cifs_sb->mnt_cifs_flags needs to be read or updated only after calling reset_cifs_unix_caps(), otherwise it might end up with missing CIFS_MOUNT_POSIXACL and CIFS_MOUNT_POSIX_PATHS bits.
This fixes the wrong dir separator used in paths caused by the missing CIFS_MOUNT_POSIX_PATHS bit in cifs_sb_info::mnt_cifs_flags.
linux_kernel >= 7.0.1, < 7.0.2linux_kernel = 7.0Upgrade past the affected range:
linux_kernel 7.0.2Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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