CVE-2026-90994 Sssd: sssd: denial of service via malformed pam v1 requests

A flaw was found in sssd, specifically within the PAM Pluggable Authentication Modules responder's protocol v1 parser, pamparseindata. A local client with access to the PAM responder's UNIX socket can exploit this by negotiating protocol v1 and sending an empty or truncated PAM request body. This...

CVE-2026-90994

A vulnerability in sssd (System Security Services Daemon) allows a local denial of service via the PAM responder's protocol v1 parser , specifically the function pam_parse_in_data() . An attacker with access to the PAM responder's UNIX socket can negotiate protocol v1 and send an empty or truncat...

CVE-2026-90463 Sssd: local oob read in nss service request parsers (`sss_nss_protocol_parse_svc_name` / `sss_nss_protocol_parse_svc_port`)

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

CVE-2026-90463 Sssd: local oob read in nss service request parsers (`sss_nss_protocol_parse_svc_name` / `sss_nss_protocol_parse_svc_port`)

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

EUVD-2026-77592

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

CVE-2026-90463

sssd (System Security Services Daemon) contains an input validation flaw in its NSS responder , specifically in the sss_nss_protocol_parse_svc_name and sss_nss_protocol_parse_svc_port functions. A local unprivileged attacker can send specially crafted service lookup requests to the NSS responder'...

CVE-2026-90994

A flaw was found in sssd, specifically within the PAM Pluggable Authentication Modules responder's protocol v1 parser, pamparseindata. A local client with access to the PAM responder's UNIX socket can exploit this by negotiating protocol v1 and sending an empty or truncated PAM request body. This...

CVE-2026-90463

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

Astra Linux – Vulnerability in Linux 5.15

A vulnerability, classified as problematic, has been identified in the Linux kernel. This issue affects the functions unixsockdestructor/unixreleasesock in the file net/unix/afunix.c of the BPF component. The manipulation leading to this issue results in a memory leak. It is recommended that a...

Astra Linux – Vulnerability in haveged

In src/havegecmd.c, the sockethandler function performs a credential check on the abstract UNIX socket \0/sys/entropy/haveged. However, while it detects that the connecting user is not root cred.uid != 0 and prepares a negative acknowledgment ASCIINAK, it fails to stop execution. The code proceed...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afunix: Clearing stale u-oobskb. Syzkaller began reporting a deadlock of unixgclock after the commit 4090fa373f0. However, this only reveals the bug that had been present since the commit 314001f0bf92 “afunix: Adding OOB support”...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A use-after-free flaw was discovered in the Linux kernel due to a race condition in the unix garbage collector’s deletion of SKB races involving the unixstreamread generic function on the socket onto which the SKB is queued...

Astra Linux – Vulnerability in avahi

A flaw was discovered in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not handled correctly in the clientwork function, allowing a local attacker to trigger an infinite loop. The most significant threat from this...

Linux Distros Unpatched Vulnerability : CVE-2026-90463

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to...

CVE-2026-90463: Out-of-bounds Read

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

PT-2026-91254

A flaw was found in the sssd NSS responder. This input validation vulnerability allows a local attacker, by sending specially crafted service lookup requests to the NSS responder's UNIX socket, to cause an out-of-bounds read. This out-of-bounds read may lead to a denial of service DoS by crashing...

UBUNTU-CVE-2026-89329

A flaw was found in multipathd. A local attacker with access to the multipathd UNIX control socket can exploit this vulnerability by sending valid commands and then ceasing to read replies. This action can cause the multipathd listener thread to block, leading to a Denial of Service DoS where...

CVE-2026-89329

A flaw was found in multipathd. A local attacker with access to the multipathd UNIX control socket can exploit this vulnerability by sending valid commands and then ceasing to read replies. This action can cause the multipathd listener thread to block, leading to a Denial of Service DoS where...

CVE-2026-89329 Device-mapper-multipath: local denial of service via blocking ipc send operations

A flaw was found in multipathd. A local attacker with access to the multipathd UNIX control socket can exploit this vulnerability by sending valid commands and then ceasing to read replies. This action can cause the multipathd listener thread to block, leading to a Denial of Service DoS where...

CVE-2026-80920

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...