Important: Red Hat Security Advisory: kpatch-patch security update

An update for kpatch-patch 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...

kernel: fget: check that the fd still exists after getting a ref to it

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close and fget simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on...

kernel: Use After Free in unix_gc() which could result in a local privilege escalation

A vulnerability was found in unixdgramrecvmsg in net/unix/afunix.c in the Linux kernel's garbage collection for Unix domain socket file handlers. In this flaw, a missing cleanup may lead to a use-after-free due to a race problem. This flaw allows a local user to crash the system or escalate their...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

kernel: fget: check that the fd still exists after getting a ref to it

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close and fget simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on...

kernel: Use After Free in unix_gc() which could result in a local privilege escalation

A vulnerability was found in unixdgramrecvmsg in net/unix/afunix.c in the Linux kernel's garbage collection for Unix domain socket file handlers. In this flaw, a missing cleanup may lead to a use-after-free due to a race problem. This flaw allows a local user to crash the system or escalate their...

RHEL 7 : kernel (RHSA-2022:1107)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1107 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Use After Free in unixgc which...

kernel: Use After Free in unix_gc() which could result in a local privilege escalation

A vulnerability was found in unixdgramrecvmsg in net/unix/afunix.c in the Linux kernel's garbage collection for Unix domain socket file handlers. In this flaw, a missing cleanup may lead to a use-after-free due to a race problem. This flaw allows a local user to crash the system or escalate their...

Important: Red Hat Security Advisory: kpatch-patch-4_18_0-147_58_1 security and bug fix update

An update for kpatch-patch-4180-147581 is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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 severi...

kernel: fget: check that the fd still exists after getting a ref to it

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close and fget simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on...

RHEL 8 : kpatch-patch (RHSA-2022:0851)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0851 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

kernel: fget: check that the fd still exists after getting a ref to it

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close and fget simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on...

kernel: Use After Free in unix_gc() which could result in a local privilege escalation

A vulnerability was found in unixdgramrecvmsg in net/unix/afunix.c in the Linux kernel's garbage collection for Unix domain socket file handlers. In this flaw, a missing cleanup may lead to a use-after-free due to a race problem. This flaw allows a local user to crash the system or escalate their...

kernel: Use After Free in unix_gc() which could result in a local privilege escalation

A vulnerability was found in unixdgramrecvmsg in net/unix/afunix.c in the Linux kernel's garbage collection for Unix domain socket file handlers. In this flaw, a missing cleanup may lead to a use-after-free due to a race problem. This flaw allows a local user to crash the system or escalate their...

DEBIAN-CVE-2021-4083

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close and fget simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on...

Unbreakable Enterprise kernel security update

4.1.12-124.59.1.2 - fix regression in 'epoll: Keep a reference on files added to the check list' Al Viro Orabug: 33679854 CVE-2021-1048 - fget: check that the fd still exists after getting a ref to it Linus Torvalds Orabug: 33679806 CVE-2021-0920 - fs: add fgetmany and fputmany Jens Axboe Orabug:...

Unbreakable Enterprise kernel security update

4.14.35-2047.510.5.2.el7uek - xfs: map unwritten blocks in XFSIOCALLOC,FREESP just like fallocate Darrick J. Wong Orabug: 33722441 CVE-2021-4155 4.14.35-2047.510.5.1.el7uek - fget: check that the fd still exists after getting a ref to it Linus Torvalds Orabug: 33679805 CVE-2021-0920 - fs: add...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.510.5.2 - xfs: map unwritten blocks in XFSIOCALLOC,FREESP just like fallocate Darrick J. Wong Orabug: 33722441 CVE-2021-4155 4.14.35-2047.510.5.1 - fget: check that the fd still exists after getting a ref to it Linus Torvalds Orabug: 33679805 CVE-2021-0920 - fs: add fgetmany and...

Unbreakable Enterprise kernel security update

5.4.17-2136.302.7.2 - xfs: map unwritten blocks in XFSIOCALLOC,FREESP just like fallocate Darrick J. Wong Orabug: 33699625 CVE-2021-4155 5.4.17-2136.302.7.1 - fget: check that the fd still exists after getting a ref to it Linus Torvalds Orabug: 33691332 CVE-2021-0920 5.4.17-2136.302.7 - rds: ib:...

Unbreakable Enterprise kernel-container security update

5.4.17-2136.302.7.2 - xfs: map unwritten blocks in XFSIOCALLOC,FREESP just like fallocate Darrick J. Wong Orabug: 33699625 CVE-2021-4155 5.4.17-2136.302.7.1 - fget: check that the fd still exists after getting a ref to it Linus Torvalds Orabug: 33691332 CVE-2021-0920 5.4.17-2136.302.7 - rds: ib:...