CVE-2024-26844 block: Fix WARNING in _copy_from_iter

In the Linux kernel, the following vulnerability has been resolved: block: Fix WARNING in copyfromiter Syzkaller reports a warning in copyfromiter because an ioviter is supposedly used in the wrong direction. The reason is that syzcaller managed to generate a request with a transfer direction of...

CVE-2024-26844

Linux kernel vulnerability CVE-2024-26844 was resolved by patching the block layer to address a harmful iov_iter direction issue. A Syzkaller warning reported that an iov_iter could be used in both directions due to a transfer direction SG_DXFER_TO_FROM_DEV, which would copy user buffers into the...

CVE-2024-26844 block: Fix WARNING in _copy_from_iter

In the Linux kernel, the following vulnerability has been resolved: block: Fix WARNING in copyfromiter Syzkaller reports a warning in copyfromiter because an ioviter is supposedly used in the wrong direction. The reason is that syzcaller managed to generate a request with a transfer direction of...

CVE-2024-26844 block: Fix WARNING in _copy_from_iter

In the Linux kernel, the following vulnerability has been resolved: block: Fix WARNING in copyfromiter Syzkaller reports a warning in copyfromiter because an ioviter is supposedly used in the wrong direction. The reason is that syzcaller managed to generate a request with a transfer direction of...

PT-2024-21528

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A warning in copy from iter has been reported by Syzkaller due to an iov iter being used in the wrong direction. This occurs when a request with a transfer direction of SG DXFER TO FROM...

USN-6688-1: Linux kernel (OEM) vulnerabilities

Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service host domain crash...

RLSA-2023:3847 Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: tls: race condition in dotlsgetsockopt may lead to use-after-free or NULL pointer dereference CVE-2023-28466 For more details about the security issues, including the impact, a CVSS score...

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

An update for kernel is now available for Red Hat Enterprise Linux 9.0 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...

PT-2025-26012 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the block layer and the blk-rq-qos framework. The issue occurs when the io.cost.qos file is written by two CPUs...

USN-6014-1: Linux kernel vulnerabilities

Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service connection termination or inject forged data. CVE-2020-36516 Ke Sun, Alyssa Milburn,...

USN-6013-1: Linux kernel (AWS) vulnerabilities

Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service connection termination or inject forged data. CVE-2020-36516 Ke Sun, Alyssa Milburn,...

USN-6001-1: Linux kernel (AWS) vulnerabilities

Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service connection termination or inject forged data. CVE-2020-36516 Ke Sun, Alyssa Milburn,...

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

An update for kernel is now available for Red Hat Enterprise Linux 9. 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...

ALSA-2023:0951 Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free caused by l2capreassemblesdu in net/bluetooth/l2capcore.c CVE-2022-3564 kernel: stack overflow in doprocdointvec and procskipspaces CVE-2022-4378 kernel: use-after-free in...

Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free caused by l2capreassemblesdu in net/bluetooth/l2capcore.c CVE-2022-3564 kernel: stack overflow in doprocdointvec and procskipspaces CVE-2022-4378 kernel: use-after-free in...

PT-2025-54071

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.1-1280.native Description The Linux kernel contains a flaw within the block, bfq subsystem. Specifically, a division by zero error can occur when the weighted sum is zero during limit calculations. This issue...

kernel: block: Fix the maximum minor value is blk_alloc_ext_minor()

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

PT-2022-34798 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.12 Description: The issue is related to the block layer in the Linux Kernel, where the nomerges flags are not properly set in the blk cleanup queue function. The actual impact and attack plausibility of th...

ALSA-2022:6610 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: heap overflow in nftseteleminit CVE-2022-34918 kernel: vulnerability of buffer overflow in nftsetdescconcatparse CVE-2022-2078 For more details about the security issues, including the...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: heap overflow in nftseteleminit CVE-2022-34918 kernel: vulnerability of buffer overflow in nftsetdescconcatparse CVE-2022-2078 For more details about the security issues, including the...