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THREAT OPS › Threat News › [NVD] CVE-2026-31710 (MEDIUM 5.5) — 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(), other

[NVD] CVE-2026-31710 (MEDIUM 5.5) — 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(), other

lownvdPublished 2026-05-01

CVE-2026-31710 CVSS: 5.5 MEDIUM Published: 2026-05-01T14:16:21.040

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_POSIXAC

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-31710