PT-2022-35038 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue concerns the RCU Tasks Trace loops not having quiescent states. This is an automated identification of a potential security issue, but its actual impact and attack plausibility have...

kernel: rcutorture: Fix ksoftirqd boosting timing and iteration

In the Linux kernel, the following vulnerability has been resolved: rcutorture: Fix ksoftirqd boosting timing and iteration The RCU priority boosting can fail in two situations: 1 If nrcpus= maxcpus=, which means if the total number of CPUs is higher than those brought online at boot, then...

kernel: netfilter: conntrack: re-fetch conntrack after insertion

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb-nfct and set skb-nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the...

kernel: inet: fully convert sk->sk_rx_dst to RCU rules

A use-after-free vulnerability was found in the TCP IP protocol in the Linux Kernel, where a delete operation of the RCU-protected pointer is supposed to clear the pointer before the callrcu/synchronizercu guarding the actual memory freeing. This flaw allows a local attacker to crash the system o...

PT-2024-8452 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a use-after-free error in the kobject del function, which can be caused by a double free of kmem cache. This error occurs when the slub debug test is run with t...

OESA-2022-1838 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In rcucblistdequeue of rcusegcblist.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not...

SUSE SLES15 Security Update : kernel (Live Patch 18 for SLE 15 SP3) (SUSE-SU-2022:2759-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2759-1 advisory. This update for the Linux Kernel 5.3.18-1503005968 fixes several issues. The following security issues were fixed: - CVE-2022-34918: Fixed a...

The vulnerability in the implementation of the ip_check_mc_rcu() function in the Inet Sockets component of Android kernel allows a perpetrator to escalate their privileges.

The vulnerability of the implementation of the ipcheckmcrcu function in the Inet Sockets component of Android operating systems lies in the use of memory after it is freed due to improper locking mechanisms. Exploiting this vulnerability can allow an attacker to increase their privileges...

GSD-2022-1003635 rcu-tasks: Fix race in schedule and flush work

rcu-tasks: Fix race in schedule and flush work This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.121 by commit...

GSD-2022-1003082 bonding: fix missed rcu protection

bonding: fix missed rcu protection This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.14 by commit 1b66a533c47d29b38af8e05fbb53b609a5ba3a4e, ...

GSD-2022-1002922 mt76: fix use-after-free by removing a non-RCU wcid pointer

mt76: fix use-after-free by removing a non-RCU wcid pointer This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.14 by commit...

GSD-2022-1002843 rcu-tasks: Fix race in schedule and flush work

rcu-tasks: Fix race in schedule and flush work This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.3 by commit...

GSD-2022-1002730 bonding: fix missed rcu protection

bonding: fix missed rcu protection This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.3 by commit 85eed460681da71b359ed906bce4d800081db854, i...

GSD-2022-1002573 mt76: fix use-after-free by removing a non-RCU wcid pointer

mt76: fix use-after-free by removing a non-RCU wcid pointer This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.3 by commit...

SUSE SLES15 Security Update : kernel (SUSE-SU-2022:2172-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2172-1 advisory. - The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database aka dbx protection...

PT-2025-8632

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been identified where a read can race with an invalidation followed by another read, potentially replacing a folio with a higher-order folio. This can lea...

DEBIAN-CVE-2022-20153

In rcucblistdequeue of rcusegcblist.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroi...

CVE-2022-20141

In ipcheckmcrcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions:...

new packages: userspace-rcu

An update is available for userspace-rcu. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky...

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

An update for kernel is now available for Red Hat Enterprise Linux 8.4 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...