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THREAT OPS › Threat News › [NVD] CVE-2026-53397 (HIGH 7.5) — In the Linux kernel, the following vulnerability has been resolved: nfsd: fix posix_acl leak on SETACL decode failure nfsaclsvc_decode_setaclargs() and nfs3svc_decode_setaclargs() each call nfs_stream_decode_acl() twice, first for NFS_ACL and then for NFS_DFACL. Each successfu

[NVD] CVE-2026-53397 (HIGH 7.5) — In the Linux kernel, the following vulnerability has been resolved: nfsd: fix posix_acl leak on SETACL decode failure nfsaclsvc_decode_setaclargs() and nfs3svc_decode_setaclargs() each call nfs_stream_decode_acl() twice, first for NFS_ACL and then for NFS_DFACL. Each successfu

mednvdPublished 2026-07-19

CVE-2026-53397 CVSS: 7.5 HIGH Published: 2026-07-19T12:16:50.793

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

nfsd: fix posix_acl leak on SETACL decode failure

nfsaclsvc_decode_setaclargs() and nfs3svc_decode_setaclargs() each call nfs_stream_decode_acl() twice, first for NFS_ACL and then for NFS_DFACL. Each successful call transfers ownership of a freshly allocated posi

Indicators of compromise

CVE-2026-53397cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-53397