Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Added a bounds check on patindex to prevent out-of-bounds kernel reads in madvise. When a user provides a bogus patindex value through the madvise IOCTL, the xepatindexgetcohmode function performs an array access without...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: Fixed a double-free operation in the delayedfree function. The double-free could occur at the following paths: c exfatcreateupcasetable exfatcreateupcasetable : Return error exfatfreeupcasetable : Free -volutbl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Do not allow CHAINID to refer to another table. When performing lookups for chains within the same batch using their IDs, a chain from a different table can be utilized. If a rule is added to a table but refe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Write-protecting of L2 SPTEs in TDP MMU when clearing dirty status Check kvmmmupageadneedwriteprotect when deciding whether to write-protect or clear D-bits on TDP MMU SPTEs. This ensures that the TDP MMU takes into...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A malicious user could exploit this flaw to crash the QEMU process on the host...

Astra Linux – Vulnerability in Linux 5.10, Linux

It was discovered that an NFT object or expression could reference a NFT set located in a different NFT table, resulting in a use-after-free once that table was deleted...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fixed an issue where incorrect filemapcount values were stored for non-leaf pmd/puds. The page table check trigger BUGON occurred unexpectedly when collapsing hugepages: ------------ cut here ------------ Kernel bug at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set ubuf-sg = NULL if the creation of the sg table fails. When the user space attempts to map the dmabuf, and for some reason e.g., OOM, the creation of the sg table fails, ubuf-sg needs to be set to NULL. Otherwise, whe...

Astra Linux – Vulnerability in Linux 5.10, Linux

Linux block and network PV device frontends do not zero memory regions before sharing them with the backend CVE-2022-26365, CVE-2022-33740. Additionally, the granularity of the grant table does not allow sharing smaller than a 4K page, resulting in unrelated data residing in the same 4K page as...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau: fixed a use-after-free in nouveaugemprimeimportsgtable nouveauboinit is backed by ttmboinit and passes its return code to the caller. In case of failures, ttm will call nouveaubodelttm and free the memory. Thus,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xen: Speed up grant-table reclaim When a grant entry is still in use by the remote domain, Linux must put it on a deferred list. Normally, this list is very short, because the PV network and block protocols expect the backend to...

Astra Linux – Vulnerability in Linux 5.10, Linux

Several Linux PV device frontends are vulnerable to attacks by backends that use grant table interfaces to remove access rights from resources. This can lead to potential data leaks, data corruption by malicious backends, and denial of service attacks. The backends that use these interfaces may n...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: Do not add the same hwpt to the ioas-hwptlist twice. The hwpt is only added to the hwptlist during its creation; it is never added again. This issue seems to be leftover from previous revisions. Adding an hwpt twice may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Avoid running off the end of an AMD erratum table. The NULL array terminator at the end of erratum1386microcode was removed during the switch from x86cpudesc to x86cpuid. This causes readers to run off the end of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: Fixed potential out-of-bounds access to the page table during batched unmap operations. As pointed out by David1, the batched unmap logic in trytounmapone may read past the end of a PTE table when the PTE mappings of a...

Astra Linux – Vulnerability in net-snmp

Net-SNMP provides various tools related to the Simple Network Management Protocol. Prior to version 5.9.2, a malformed OID in a SET request to SNMP-VIEW-BASED-ACM-MIB::vacmAccessTable could lead to an out-of-bounds memory access. A user with read-write credentials could exploit this issue. Versio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/fixmap: Fixed the VM debug warning when unmapping a fixmap entry. The unmapping of a fixmap entry is performed by calling setfixmap, with FIXMAPPAGECLEAR as the flag. Currently, powerpc setfixmap calls mapkernelpage...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hinic: fixed a memory leak when reading the function table. When the input parameter idx matches the expected case option in hinicdbggetfunctable, the readdata variable is not released properly. This issue has been addressed...

Astra Linux – Vulnerability in edk2

The BootPerformanceTable pointer is retrieved from an NVRAM variable within PEI. It is recommended that the PcdFirmwarePerformanceDataTableS3Support be set to FALSE...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ubi: ubicreatevolume: Fixed a use-after-free issue when volume creation failed. There is a use-after-free problem related to ‘ebatbl’ in the error handling path of ubicreatevolume. c ubiebareplacetablevol, ebatbl vol-ebatbl = tbl...