USN-7462-2: Linux kernel (AWS FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7462-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7462-1 linux-aws, linux-aws-5.4, linux-gcp-5.4, linux-iot vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7461-1 linux, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-hwe-5.4, linux-ibm, linux-kvm, linux-oracle, linux-oracle-5.4 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7461-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7455-1: Linux kernel vulnerabilities

Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or escalate their privileges. CVE-2022-0995 Several security issues were discovered i...

USN-7455-1 linux, linux-aws, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-igx, linux-oracle, linux-raspi vulnerabilities

Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or escalate their privileges. CVE-2022-0995 Several security issues were discovered i...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7462-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7462-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7461-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7461-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7455-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7455-1 advisory. Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A...

The vulnerability of the Packet Forwarding Engine (PFE) module in Juniper Networks’ Junos OS and Junos OS Evolved operating systems allows a hacker to trigger a service failure.

The vulnerability of the Packet Forwarding Engine PFE module in Juniper Networks’ Junos OS and Junos OS Evolved operating systems is related to memory release errors. Exploiting this vulnerability can allow a malicious actor to trigger service failures using specially created ARP packets in the...

CVE-2025-32787 SoftEtherVPN Affected by NULL dereference in DeleteIPv6DefaultRouterInRA

SoftEtherVPN is a an open-source cross-platform multi-protocol VPN Program. Versions 5.02.5184 to 5.02.5187 are vulnerable to NULL dereference in DeleteIPv6DefaultRouterInRA called by StorePacket. Before dereferencing, DeleteIPv6DefaultRouterInRA does not account for ParsePacket returning NULL,...

CVE-2025-22063

In the Linux kernel, the following vulnerability has been resolved: netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets When calling netlblconnsetattr, addr-safamily is used to determine the function behavior. If sk is an IPv4 socket, but the connect function is called with an...

CVE-2025-22021

In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket if any. Then socketmatch can...

UBUNTU-CVE-2025-22021

In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket if any. Then socketmatch can...

CVE-2025-22021

In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket if any. Then socketmatch can...

CVE-2025-22021 netfilter: socket: Lookup orig tuple for IPv6 SNAT

In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket if any. Then socketmatch can...

CVE-2025-22021 netfilter: socket: Lookup orig tuple for IPv6 SNAT

In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket if any. Then socketmatch can...

CVE-2025-22021

Summary: The CVE-2025-22021 issue is in the Linux kernel netfilter socket lookup for IPv6 SNAT. The IPv4 path already performs a conntrack lookup to restore the original 5-tuple for socket matching; the IPv6 path nf_sk_lookup_slow_v6 lacked this, causing xt_socket matching failures on SNATed IPv6...

kernel: ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6rules: avoid possible NULL dereference in fib6ruleaction syzbot is able to trigger the following crash 1, caused by unsafe ip6dstidev use. Indeed ip6dstidev can return NULL, and must always be checked. 1 Oops: general...