kernel: Linux kernel: Denial of Service in mt7921e driver during module unload

A flaw was discovered in the mt76/mt7921e Wi-Fi driver in the Linux kernel where improper handling of driver data during module removal can lead to a crash. Under certain insmod/rmmod stress test conditions, the driver’s mt7921pciremove function is called while the associated mt76dev driver priva...

kernel: md-raid10: fix KASAN warning

In the Linux kernel, the following vulnerability has been resolved: md-raid10: fix KASAN warning There's a KASAN warning in raid10removedisk when running the lvm test lvconvert-raid-reshape.sh. We fix this warning by verifying that the value "number" is valid. BUG: KASAN: slab-out-of-bounds in...

kernel: SUNRPC: Trap RDMA segment overflows

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows Prevent svcrdmabuildwrites from walking off the end of a Write chunk's segment array. Caught with KASAN. The test that this fix replaces is invalid, and might have been left over from an earlie...

kernel: cxl/port: Hold port reference until decoder release

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold port reference until decoder release KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease where it goes to reference its parent, a cxlport, to free its id back to port-decoderida. BUG...

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

An update for kernel-rt 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 f...

GSD-2023-1002315 kasan: fix Oops due to missing calls to kasan_arch_is_ready()

kasan: fix Oops due to missing calls to kasanarchisready 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 v6.1.13 by commit...

Introducing kernel sanitizers on Microsoft platforms

As part of Microsoft’s commitment to continuously raise security baselines, we have been introducing innovations to the foundation of the chip-to-cloud security outlined in the Windows 11 Security Book. Strong foundational security enables us to build defenses from the ground up and develop...

Introducing kernel sanitizers on Microsoft platforms

As part of Microsoft’s commitment to continuously raise security baselines, we have been introducing innovations to the foundation of the chip-to-cloud security outlined in the Windows 11 Security Book. Strong foundational security enables us to build defenses from the ground up and develop...

GSD-2023-1000333 Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled

Kconfig.debug: provide a little extra FRAMEWARN leeway when KASAN is enabled 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 v4.19.268 by commit...

GSD-2023-1000297 Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled

Kconfig.debug: provide a little extra FRAMEWARN leeway when KASAN is enabled 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 v5.4.226 by commit...

GSD-2023-1000237 Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled

Kconfig.debug: provide a little extra FRAMEWARN leeway when KASAN is enabled 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 v5.10.158 by commit...

GSD-2023-1000166 Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled

Kconfig.debug: provide a little extra FRAMEWARN leeway when KASAN is enabled 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 v5.15.82 by commit...

PT-2023-33148 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.12 Description: The issue provides a little extra FRAME WARN leeway when KASAN is enabled. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions prio...

PT-2023-33314 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.158 Description: The issue provides extra FRAME WARN leeway when KASAN is enabled. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions prior to...

PT-2023-33410 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.19.268 Description: The issue provides a little extra FRAME WARN leeway when KASAN is enabled. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions...

PT-2024-11845 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an out-of-bounds access in the sja1105 init l2 policing function. This function initializes L2 policers to prevent interference with normal packet reception. Th...

kernel: blk-throttle: Set BIO_THROTTLED when bio has been throttled

In the Linux kernel, the following vulnerability has been resolved: blk-throttle: Set BIOTHROTTLED when bio has been throttled 1.In current process, all bio will set the BIOTHROTTLED flag after blkthrotlbio. 2.If bio needs to be throttled, it will start the timer and stop submit bio directly. Bio...

kernel: dm raid: fix KASAN warning in raid5_add_disks

In the Linux kernel, the following vulnerability has been resolved: dm raid: fix KASAN warning in raid5adddisks There's a KASAN warning in raid5adddisk when running the LVM testsuite. The warning happens in the test lvconvert-raid-reshape-lineartoraid6-single-type.sh. We fix the warning by...

kernel: dm mirror log: round up region bitmap size to BITS_PER_LONG

In the Linux kernel, the following vulnerability has been resolved: dm mirror log: round up region bitmap size to BITSPERLONG The code in dm-log rounds up bitsetsize to 32 bits. It then uses findnextzerobitle on the allocated region. findnextzerobitle accesses the bitmap using unsigned long...

kernel: dm thin: fix use-after-free crash in dm_sm_register_threshold_callback

In the Linux kernel, the following vulnerability has been resolved: dm thin: fix use-after-free crash in dmsmregisterthresholdcallback Fault inject on pool metadata device reports: BUG: KASAN: use-after-free in dmpoolregistermetadatathreshold+0x40/0x80 Read of size 8 at addr ffff8881b9d50068 by...