Ubuntu 20.04 LTS : Linux kernel (KVM) vulnerabilities (USN-5000-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5000-2 advisory. USN-5000-1 fixed vulnerabilities in the Linux kernel for Ubuntu 20.04 LTS and the Linux HWE kernel for Ubuntu 18.04 LTS. This update provides the...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9406)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9406 advisory. - seqfile: disallow extremely large seq buffer allocations Eric Sandeen Orabug: 33135632 CVE-2021-33909 - Bluetooth: fix the erroneous flushwork...

SUSE SLES12: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:2451-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2451-1 advisory. The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes. The following security bugs were fixe...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:2421-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2421-1 advisory. The SUSE Linux Enterprise 15 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were...

The vulnerability of implementations of WEP, WPA, WPA2, and WPA3 algorithms in the Linux operating system allows attackers to compromise the integrity of protected information.

The vulnerability of implementations of WEP, WPA, WPA2, and WPA3 algorithms in Linux operating systems exists due to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to compromise the integrity of protected information by using specially crafted...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-4999-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4999-1 advisory. Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5000-1)

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-5000-1 advisory. Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free...

Ubuntu 21.04 : Linux kernel vulnerabilities (USN-4997-1)

The remote Ubuntu 21.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4997-1 advisory. Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A loc...

SUSE SLES15: kernel-azure / kernel-azure-devel / kernel-devel-azure / etc (SUSE-SU-2021:1975-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:1975-1 advisory. The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: -...

SUSE SLED12: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:1913-1)

The remote SUSE Linux SLED12 / SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:1913-1 advisory. The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs...

SUSE SLES12: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2021:1899-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:1899-1 advisory. The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: -...

SUSE SLED15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:1890-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:1890-1 advisory. The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: ...

CVE-2020-26147

A flaw was found in ieee80211rxhdefragment in net/mac80211/rx.c in the Linux Kernel's WiFi implementation. This vulnerability can be abused to inject packets or exfiltrate selected fragments when another device sends fragmented frames, and the WEP, CCMP, or GCMP data-confidentiality protocol is...

CVE-2020-26146

A vulnerability was found in Linux kernel, where the WiFi implementation reassemble fragments with non-consecutive packet numbers. An adversary can abuse this to exfiltrate selected fragments. This vulnerability is exploitable when another device sends fragmented frames and the WEP, CCMP, or GCMP...

CVE-2020-26143

A vulnerability was found in Linux kernel, where the WiFi implementations assemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or...

Linux kernel input validation error vulnerability (CNVD-2021-34677)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel version 5.8.9. The vulnerability stems from when a device sends segmented frames and uses the WEP, CCMP, or GCMP data...

CVE-2020-26146

An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WPA, WPA2, and WPA3 implementations reassemble fragments with non-consecutive packet numbers. An adversary can abuse this to exfiltrate selected fragments. This vulnerability is exploitable when another device sends fragmented...

Design/Logic Flaw

The 802.11 standard that underpins Wi-Fi Protected Access WPA, WPA2, and WPA3 and Wired Equivalent Privacy WEP doesn't require that received fragments be cleared from memory after reconnecting to a network. Under the right circumstances, when another device sends fragmented frames encrypted using...

Design/Logic Flaw

An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WPA, WPA2, and WPA3 implementations reassemble fragments with non-consecutive packet numbers. An adversary can abuse this to exfiltrate selected fragments. This vulnerability is exploitable when another device sends fragmented...

CVE-2020-24587

The 802.11 standard that underpins Wi-Fi Protected Access WPA, WPA2, and WPA3 and Wired Equivalent Privacy WEP doesn't require that all fragments of a frame are encrypted under the same key. An adversary can abuse this to decrypt selected fragments when another device sends fragmented frames and...