MGASA-2022-0021 Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.15 and fixes at least the following security issues: A data leak flaw was found in the way XFSIOCALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS...

CVE-2021-22566

The CVE concerns the Fuchsia kernel. An incorrect setting of UXN and PXN bits in mmu_flags_to_s1_pte_attr can cause privileged executable kernel-mode pages to be mapped as executable from user mode, and unprivileged pages to be treated as executable from kernel mode. This misuse can bypass execut...

SUSE-SU-2022:0080-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated. The following security bugs were fixed: - CVE-2021-4083: Fixed a race condition with Unix domain socket garbage collection that can lead to read memory after free. bsc1193727 - CVE-2021-4149: Fixed an improper lock operation in btrfs which allo...

Scientific Linux Security Update : kernel on SL7.x x86_64 (2022:0063)

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2022:0063-1 advisory. - kernel: perfeventparseaddrfilter memory CVE-2020-25704 - kernel: fuse: fusedogetattr calls makebadinode in inappropriate situations...

USN-5210-2 linux, linux-gcp, linux-gcp-5.4, linux-hwe-5.4 regression

USN-5210-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression that caused failures to boot in environments with AMD Secure Encrypted Virtualization SEV enabled. This update fixes the problem. We apologize for the inconvenience. Original advisory details:...

OPENSUSE-SU-2022:0056-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated. The following security bugs were fixed: - CVE-2021-45485: Fixed an information leak because of certain use of a hash table which use IPv6 source addresses. bsc1194094 - CVE-2021-45486: Fixed an information leak because the hash table is very...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5210-1)

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-5210-1 advisory. Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local...

devices resource list treated as a blacklist by default

Impact Contrary to the OCI runtime specification, runc's implementation of the linux.resources.devices list was a black-list by default. This means that users who created their own config.json objects and didn't prefix a deny-all rule "allow": false, "permissions": "rwm" or equivalent were not...

openSUSE 15 Security Update : kernel (openSUSE-SU-2021:3941-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:3941-1 advisory. - In bpfskbchangehead of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of...

SUSE-SU-2021:3935-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP3 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - Unprivileged BPF has been disabled by default to reduce attack surface as too many security issues have happened in the past jscSLE-22573 You can reenable v...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-5162-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5162-1 advisory. Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9564)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9564 advisory. - LTS tag: v5.4.142 Jack Vogel CVE-2021-3653 CVE-2021-3656 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested CVE-2021-3656 Maxim Levitsky -...

SUSE-SU-2021:3723-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 Real Time kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-3655: Fixed a missing size validations on inbound SCTP packets, which may have allowed the kernel to read uninitialized memory bsc1188563. -...

Oracle Linux 8 : kernel (ELSA-2021-4356)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-4356 advisory. - ovl: prevent private clone if bind mount is not allowed Miklos Szeredi 1993131 CVE-2021-3732 - KVM: nSVM: avoid picking up unsupported bits from L2 i...

RHEL 8 : kernel (RHSA-2021:4687)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4687 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

OPENSUSE-SU-2021:3675-1 Security update for the Linux Kernel

The following security bugs were fixed: - CVE-2021-3542: Fixed heap buffer overflow in firedtv driver bsc1186063. - CVE-2021-3655: Fixed a missing size validations on inbound SCTP packets, which may have allowed the kernel to read uninitialized memory bsc1188563. - CVE-2021-3715: Fixed a...

USN-5137-2: Linux kernel vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

Ubuntu 20.04 LTS : Linux kernel (OEM 5.10) vulnerabilities (USN-5139-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5139-1 advisory. Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some...

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2021:3642-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3642-1 advisory. The SUSE Linux Enterprise 15 SP3 Real Time kernel was updated to receive various security and bugfixes. The following security bugs were fixed:...

Vulnerabilities fixed in Fedora kernel

Vulnerabilities have been fixed in Fedora kernel. The vulnerabilities allow a malicious person to cause a denial-of-service cause. -= Fedora =- Fedora has made updates available for Fedora 34 and 35. You can install these updates using the command 'dnf' or 'yum'. More information about these...