CVE-2026-53397 nfsd: fix posix_acl leak on SETACL decode failure

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix posixacl leak on SETACL decode failure nfsaclsvcdecodesetaclargs and nfs3svcdecodesetaclargs each call nfsstreamdecodeacl twice, first for NFSACL and then for NFSDFACL. Each successful call transfers ownership of a...

CVE-2026-53397

The CVE-2026-53397 entry describes a Linux kernel leakage with posix_acl objects during SETACL decode in NFS code paths. Specifically, nfsaclsvc_decode_setaclargs() and nfs3svc_decode_setaclargs() call nfs_stream_decode_acl() for NFS_ACL and NFS_DFACL; if the first succeeds and the second fails, ...

kernel: nfsd: clear acl_access/acl_default after releasing them

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

kernel: nfsd: clear acl_access/acl_default after releasing them

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: Clearing aclaccess/acldefault after releasing them If the attempt to get acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released...

nfsd: clear acl_access/acl_default after releasing them

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SUSE CVE-2025-21796

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

AZL-58907 CVE-2025-21796 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

DEBIAN-CVE-2025-21796

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

UBUNTU-CVE-2025-21796

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A resource management error vulnerability exists in Linux kernel that stems from not properly cleaning up aclaccess and acldefault, which could lead to reuse after release...