CVE-2026-53034

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix afunix null-ptr-deref in proto update unixstreamconnect sets skstate WRITEONCEsk-skstate, TCPESTABLISHED before it assigns a peer unixpeersk = newsk. skstate == TCPESTABLISHED makes sockmapskstateallowed believe...

CVE-2026-53033 bpf, sockmap: Take state lock for af_unix iter

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Take state lock for afunix iter When a BPF iterator program updates a sockmap, there is a race condition in unixstreambpfupdateproto where the peer pointer can become stale1 during a state transition TCPESTABLISHED ...

CVE-2026-53005

In the Linux kernel, the following vulnerability has been resolved: afunix: Drop all SCM attributes for SOCKMAP. SOCKMAP can hide inflight fd from AFUNIX GC. When a socket in SOCKMAP receives skb with inflight fd, skpsockverdictdataready looks up the mapped socket and enqueue skb to its...

CVE-2026-53005 af_unix: Drop all SCM attributes for SOCKMAP.

In the Linux kernel, the following vulnerability has been resolved: afunix: Drop all SCM attributes for SOCKMAP. SOCKMAP can hide inflight fd from AFUNIX GC. When a socket in SOCKMAP receives skb with inflight fd, skpsockverdictdataready looks up the mapped socket and enqueue skb to its...

EUVD-2026-38698

In the Linux kernel, the following vulnerability has been resolved: afunix: Reject SIOCATMARK on non-stream sockets SIOCATMARK reports whether the receive queue is at the urgent mark for MSGOOB. In AFUNIX, MSGOOB is supported only for SOCKSTREAM sockets. SOCKDGRAM and SOCKSEQPACKET reject MSGOOB ...

CVE-2026-52928

In the Linux kernel, the following vulnerability has been resolved: afunix: Reject SIOCATMARK on non-stream sockets SIOCATMARK reports whether the receive queue is at the urgent mark for MSGOOB. In AFUNIX, MSGOOB is supported only for SOCKSTREAM sockets. SOCKDGRAM and SOCKSEQPACKET reject MSGOOB ...

CVE-2026-52928

CVE-2026-52928 affects the Linux kernel af_unix implementation. In non-stream sockets (e.g., SOCK_DGRAM, SOCK_SEQPACKET), SIOCATMARK is incorrectly handled for MSG_OOB and should be rejected; the fix returns -EOPNOTSUPP before inspecting the receive queue. Multiple advisories note the issue is re...

postgresql: PostgreSQL: Denial of Service via uncontrolled recursion in SSL/GSS negotiation

A flaw was found in PostgreSQL. Uncontrolled recursion during SSL Secure Sockets Layer and GSS Generic Security Service negotiation allows an attacker to achieve a sustained denial of service. This can be exploited by an attacker with access to a PostgreSQL AFUNIX socket. If SSL and GSS are both...

Linux Distros Unpatched Vulnerability : CVE-2026-45887

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - afunix: Fix memleak of newsk in unixstreamconnect. When preparepeercred fails in unixstreamconnect, unixreleasesock is not called for newsk, and the memory is...

EUVD-2026-32353

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix memleak of newsk in unixstreamconnect. When preparepeercred fails in unixstreamconnect, unixreleasesock is not called for newsk, and the memory is leaked. Let's move preparepeercred before unixcreate1...

CVE-2026-45848 apparmor: fix NULL sock in aa_sock_file_perm

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL sock in aasockfileperm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops. The fix for NULL pointer dereference in unixneedsrevalidation shows...

Linux Distros Unpatched Vulnerability : CVE-2026-45848

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - apparmor: fix NULL sock in aasockfileperm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops...

Linux Distros Unpatched Vulnerability : CVE-2026-6479

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AFUNIX socket to achieve sustained denial of...

PT-2026-51721

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the AF UNIX implementation where SIOCATMARK, which reports if the receive queue is at the urgent mark for MSG OOB Out-of-Band data, is incorrectly supported on...

Linux Distros Unpatched Vulnerability : CVE-2026-43016

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. syzbot reported use- after-free of AFUNIX socket's sk-sksocket in...

CVE-2026-43016

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter sockmap component. This vulnerability, a use-after-free, occurs due to improper management of AFUNIX socket objects within the skpsockverdictdataready function. A local attacker could exploit this issue by sending specially crafted...

CVE-2026-43016

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. syzbot reported use-after-free of AFUNIX socket's sk-sksocket in skpsockverdictdataready. 0 In unixstreamsendmsg, the peer socket's -skdataready is calle...

EUVD-2026-26615

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. syzbot reported use-after-free of AFUNIX socket's sk-sksocket in skpsockverdictdataready. 0 In unixstreamsendmsg, the peer socket's -skdataready is calle...

CVE-2026-31673

A flaw was found in the Linux kernel. A race condition in the afunix component allows a local attacker to cause unstable Virtual File System VFS data when UNIXDIAGVFS data is handled. This occurs because inode and device numbers are read without consistently holding the unixstatelock, while u-pat...

CVE-2026-31673

In the Linux kernel, the following vulnerability has been resolved: afunix: read UNIXDIAGVFS data under unixstatelock Exact UNIX diag lookups hold a reference to the socket, but not to u-path. Meanwhile, unixreleasesock clears u-path under unixstatelock and drops the path reference after unlockin...