CVE-2025-22059 udp: Fix multiple wraparounds of sk->sk_rmem_alloc.

In the Linux kernel, the following vulnerability has been resolved: udp: Fix multiple wraparounds of sk-skrmemalloc. udpenqueuescheduleskb has the following condition: if atomicread&sk-skrmemalloc sk-skrcvbuf goto drop; sk-skrcvbuf is initialised by net.core.rmemdefault and later can be configure...

CVE-2025-22059 udp: Fix multiple wraparounds of sk->sk_rmem_alloc.

In the Linux kernel, the following vulnerability has been resolved: udp: Fix multiple wraparounds of sk-skrmemalloc. udpenqueuescheduleskb has the following condition: if atomicread&sk-skrmemalloc sk-skrcvbuf goto drop; sk-skrcvbuf is initialised by net.core.rmemdefault and later can be configure...

PT-2025-16699 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the Linux kernel's UDP implementation, where multiple wraparounds of sk-sk rmem alloc can occur. This happens when sk-sk rcvbuf is set to a large value, such as...

SUSE-SU-2024:3711-1 Security update for cups-filters

This update for cups-filters fixes the following issues: - cups-browsed would bind on UDP INADDRANY:631 and trust any packet from any source to trigger a Get-Printer-Attributes IPP request to an attacker controlled URL. This patch removes support for the legacy CUPS and LDAP protocols, the previo...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2024-41041

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCKRCUFREE earlier in udplibgetport. syzkaller triggered the warning 0 in udpv4earlydemux. In udpv46earlydemux and sklookup, we do not touch the refcount of the looked-up sk and use sockpfree as skb-destructor, so we...

CVE-2024-41041

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCKRCUFREE earlier in udplibgetport. syzkaller triggered the warning 0 in udpv4earlydemux. In udpv46earlydemux and sklookup, we do not touch the refcount of the looked-up sk and use sockpfree as skb-destructor, so we...

CVE-2024-41041 udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCKRCUFREE earlier in udplibgetport. syzkaller triggered the warning 0 in udpv4earlydemux. In udpv46earlydemux and sklookup, we do not touch the refcount of the looked-up sk and use sockpfree as skb-destructor, so we...

CVE-2021-47248

A vulnerability was found in the Linux kernel's UDP implementation, where a race condition exists between the close and udpabort functions. This race can cause a system panic during socket operations, leading to unexpected crashes Mitigation Red Hat has investigated whether a possible mitigation...

CVE-2021-47248

In the Linux kernel, the following vulnerability has been resolved: udp: fix race between close and udpabort Kaustubh reported and diagnosed a panic in udpliblookup. The root cause is udpabort racing with close. Both racing functions acquire the socket lock, but udpv6destroysock release it before...

CVE-2021-47248

In the Linux kernel, the following vulnerability has been resolved: udp: fix race between close and udpabort Kaustubh reported and diagnosed a panic in udpliblookup. The root cause is udpabort racing with close. Both racing functions acquire the socket lock, but udpv6destroysock release it before...

CVE-2021-47248

The CVE-2021-47248 entry concerns a race in the Linux kernel UDP path between close() and udp_abort(). The root cause is udp_abort() racing with close(), with both paths acquiring the socket lock, while udp{v6}_destroy_sock() releases it before performing destructive actions. The fix uses the SOC...

CVE-2024-35884 udp: do not accept non-tunnel GSO skbs landing in a tunnel

In the Linux kernel, the following vulnerability has been resolved: udp: do not accept non-tunnel GSO skbs landing in a tunnel When rx-udp-gro-forwarding is enabled UDP packets might be GROed when being forwarded. If such packets might land in a tunnel this can cause various issues and...

CVE-2021-47036 udp: skip L4 aggregation for UDP tunnel packets

In the Linux kernel, the following vulnerability has been resolved: udp: skip L4 aggregation for UDP tunnel packets If NETIFFGROFRAGLIST or NETIFFGROUDPFWD are enabled, and there are UDP tunnels available in the system, udpgroreceive could end-up doing L4 aggregation either SKBGSOUDPL4 or...

CVE-2021-46952

In the Linux kernel, the following vulnerability has been resolved: NFS: fscontext: validate UDP retrans to prevent shift out-of-bounds Fix shift out-of-bounds in xprtcalcmajortimeo. This is caused by a garbage timeout retrans mount option being passed to nfs mount, in this case from syzkaller. I...

CVE-2023-1133 CVE-2023-1133

Delta Electronics InfraSuite Device Master versions prior to 1.0.5 contain a vulnerability in which the Device-status service listens on port 10100/ UDP by default. The service accepts the unverified UDP packets and deserializes the content, which could allow an unauthenticated attacker to remote...

SUSE CVE-2009-2698

The udpsendmsg function in the UDP implementation in 1 net/ipv4/udp.c and 2 net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service NULL pointer dereference and system crash via vectors involving the MSGMORE flag and a UDP socket...

Cisco SD-WAN UDP Denial of Service Vulnerability

The Cisco SD-WAN vEdge is a router from Cisco, Inc. that provides basic WAN and security and multi-cloud capabilities for Cisco SD-WAN solutions. This device provides basic WAN, security, and multi-cloud capabilities for Cisco SD-WAN solutions.Cisco SD-WAN vManage is software from Cisco that...

Cisco SD-WAN Solution Software DoS (cisco-sa-sdw-dos-KWOdyHnB)

A denial of service DoS vulnerability exists in Cisco SD-WAN Solution Software due to improper validation of fields in Cisco SD-WAN peering messages that are encapsulated in UDP packets. An unauthenticated, remote attacker can exploit this issue, by sending crafted UDP messages to the targeted...

Remote Code Execution (RCE)

udp.c in the Linux kernel is vulnerable Remote Code Execution RCE. It allows remote attackers to execute arbitrary code via UDP traffic that triggers an unsafe second checksum calculation during execution of a recv system call with the MSGPEEK flag...