SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2023:4414-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4414-1 advisory. - Incorrect verifier pruning in BPF in Linux Kernel =5.4 leads to unsafe code paths being incorrectly marked as safe,...

RHEL 8 : kernel (RHSA-2023:6813)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:6813 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: clsu32 component...

A use-after-free vulnerability was found in the Netfilter subsystem of the Linux kernel when processing batch requests to update nf_tables configuration. (CVE-2023-32233)

In the Linux kernel through 6.3.1, a use-after-free in Netfilter nftables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled...

Ubuntu 23.10 : Linux kernel (StarFive) vulnerabilities (USN-6454-4)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6454-4 advisory. Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit CVE-2022-48935 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: double hook unregistration in netns path...

Ubuntu 23.10 : Linux kernel (ARM laptop) vulnerabilities (USN-6454-3)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6454-3 advisory. Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker...

Ubuntu 23.10 : Linux kernel vulnerabilities (USN-6454-2)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6454-2 advisory. Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker...

Ubuntu 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6446-3)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6446-3 advisory. Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized...

Ubuntu 23.10 : Linux kernel vulnerabilities (USN-6454-1)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6454-1 advisory. Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-385)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-385 advisory. In the Linux kernel, the following vulnerability has been resolved: ceph: drop messages from MDS when unmounting CVE-2022-48628 A use-after-free vulnerability in the Linux kernel's netfilter:...

Ubuntu 22.04 LTS : Linux kernel (StarFive) vulnerabilities (USN-6444-2)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6444-2 advisory. Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized...

Ubuntu 20.04 LTS : Linux kernel (Intel IoTG) vulnerabilities (USN-6445-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6445-2 advisory. It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker...

Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6443-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6443-1 advisory. Bien Pham discovered that the netfiler subsystem in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local user...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-041 (ALASKERNEL-5.10-2023-041)

The version of kernel installed on the remote host is prior to 5.10.197-186.748. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2023-041 advisory. A flaw was found in rsvpchange. The root cause is an slab-out-of-bound access, but since the offset to t...

Amazon Linux 2 : kernel (ALASKERNEL-5.15-2023-028)

The version of kernel installed on the remote host is prior to 5.15.134-87.145. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2023-028 advisory. A use-after-free vulnerability in the Linux kernel's netfilter: nftables component can be exploited to...

Oracle Linux 7 : kernel (ELSA-2023-5622)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-5622 advisory. - debug: lock down kgdb Orabug: 34270798 CVE-2022-21499 - net/sched: clsu32: Fix reference counter leak leading to overflow Davide Caratti 2225486...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

kernel: nf_tables: use-after-free in nft_chain_lookup_byid()

A use-after-free flaw was found in the Linux kernel's Netfilter module in net/netfilter/nftablesapi.c in nftchainlookupbyid. This flaw allows a local attacker to cause a local privilege escalation issue due to a missing cleanup...