Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: amdgputtmgartbind set gtt bound flag Otherwise, after the GTT context is released, the GTT and gart space are freed. However, amdgputtmbackendunbind does not clear the gart page table entry; instead, it leaves a valid...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: asixmdioread: Fix for uninit-value in asixmdioread. asixreadcmd may read less than sizeofsmsr bytes, and in this case, smsr will be uninitialized. Bug reports: BUG: KMSAN: uninit-value in asixcheckhostenable...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: KVM: Destroy the target device if coalescing MMIO unregistration fails Destroy and free the target coalesced MMIO device if unregistering the device fails. As clearly noted in the code, kvmiobusunregisterdev does not destroy t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/xemigrate: Casting to output precision before multiplying operands This issue addressed potential overflows that could occur when multiplying two operands with lower precision u32, before widening them to a higher precisio...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, from version 5.19.9 onwards, the drivers/scsi/stex.c file allows local users to access sensitive information from kernel memory. This occurs because the stexqueuecommandlck function lacks a memset for the PASSTHRUCMD case...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: adc: mp2629: fixed potential array out-of-bound access issues. A sentinel was added at the end of the maps to prevent potential array out-of-bound access in the iio core...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tipc: Check for a null pointer after calling kmemdup kmemdup may return a null pointer, so it is necessary to check for this. Otherwise, the null pointer will be dereferenced later in tipccryptokeyxmit, as can be seen in the trac...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.3.10. The file fs/smb/server/smb2misc.c in ksmbd does not validate the relationship between the command payload size and the RFC1002 length specification, resulting in a out-of-bounds read...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: core: The unnecessary framesz check in bpfxdpadjusttail has been removed. Syzkaller reported the following issue: ======================================= “Too big” – xdp-framesz = 131072 WARNING: CPU: 0, PID: 5020, at...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: Fixed a block leak of the percpu counter on the error path when creating new netns. This issue occurs at the stack location where the percpu counter block is allocated: +- ip6tregistertable +- translatetable...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Handled the chunk tree lookup error in btrfsrelocatesyschunks. The unhandled case in the btrfsrelocatesyschunks loop is a corruption. This can only occur under two impossible conditions: - First, the search key is set t...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A null pointer dereference flaw was discovered in the Linux kernel’s DECnet networking protocol. This issue could allow a remote user to crash the system...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hns3: do not allow calling hns3nicnetopen repeatedly The function hns3nicnetopen should not be called repeatedly, but there is no checking for this. When performing device reset and setting up traffic channels concurrently,...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sctp: A potential overflow issue in sctpifwdtsnskip has been fixed. Currently, when using sctpwalkifwdtsn to traverse ifwdtsnskip, it only checks the position pos against the end of the chunk. However, the data remaining at the...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: logitech-hidpp: Fixed a kernel crash when the USB connection is disconnected. The function hidppconnectevent experiences four times-of-check versus-time-of-use TOCTOU races when it races with itself. hidppconnectevent...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use the pmd-root from the last transaction when commit fails Recently, we discovered a problem with a softlockup in the dm thin pool’s btree lookup code due to corrupted metadata. Kernel panic – not syncing: Softlockup:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd: Fixed an out-of-bounds error in the BIOS parser. The array size is hardcoded to 8 in atomfirmware.h, but sometimes the firmware provides a larger array size. Deferencing the larger array causes an out-of-bounds error...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Fixed a potential null-ptr-deref due to drmmmodeconfiginit. drmmmodeconfiginit will call drmmodecreatestandardproperties, and it does not check the return value. When drmmodecreatestandardproperties fails due to allocatio...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed a warning in ext4handleinodeextension We encountered the following issues: EXT4-fs error device loop0 in ext4reserveinodewrite:5741: Out of memory EXT4-fs error device loop0: ext4setattr:5462: inode 13: comm...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: efi: Make efirtlock a rawspinlock Running a rt-kernel base on 6.2.0-rc3-rt1 on an Ampere Altra outputs the following: BUG: A sleeping function is called from an invalid context at kernel/locking/spinlockrt.c:46 inatomic: 1...