Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Do not allow SETID to refer to another table. When performing lookups for sets within the same batch using their IDs, a set from a different table can be used. However, when the table is removed, a reference ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Do not call foliowaitwriteback without a folio reference. foliowaitwriteback requires that no spinlocks are held and that a folio reference is held, as documented. After we removed the PTL, the folio object could be free...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: ti: Fixed a missing sentinel for clkdivtable gettablemaxdiv attempts to access the "clkdivtable" array outside its defined bounds in phy-j721e-wiz.c. A sentinel entry was added to prevent the following global-out-of-bounds...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was added for the block address in the f2fsdozerorange function. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215894 I have encountered a bug in the F2FS file system in the...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed a potential NULL pointer dereference in the atomctrlgetsmcsclkrangetable function. The function atomctrlgetsmcsclkrangetable does not check the return value of smuatomgetdatatable. If smuatomgetdatatable fails t...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: remoteproc: core: Clearing tablesz when rprocshutdown is called. There is a scenario where a kernel dump may occur: Use U-Boot to start a remote processor rproc with a resource table published to a fixed address by rproc. After t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: IB/core: Fixed the issue with the cleanup of the ibcachesetupone function. When ibcacheupdate returns an error, the ibcachesetupone function is exited immediately without proper cleanup. This occurs even though we have already...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetpipapo: prevents overflow in lookup table allocation When calculating the size of the lookup table, ensure that the following multiplication does not cause an overflow: - The maximum value of desc-fieldlen is...

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

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: independent PMD page table shared count The refcount of the folio may be unexpectedly increased through functions like trygetfolio, such as splithugepages. In hugepmdunshare, we use the refcount to check whether a PM...

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

In the Linux kernel, the following vulnerabilities have been resolved: net:vxlan: Fixed a NULL dereference of ndtbl when IPv6 is disabled. When booting with the ‘ipv6.disable=1’ parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called, which is responsible for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A use-after-free issue was addressed in closefiletableids. A ksmbdfile can remain active after a logical close, while another session holds a temporary reference obtained through ksmbdlookupfd inode. Currently, ksmbdclosef...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: EFI: Do not map the entire mokvar table to determine its size. Currently, when validating the mokvar table, we re-map the entire table on each iteration of the loop, adding space as we discover new entries. If the table grows...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: acpi: Calling acpiputtable to fix a memory leak. The size of the event log area is obtained from the TPM2 or TCPA table. Therefore, we call acpigettable to retrieve ACPI information. However, acpigettable should be used in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Using th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tipc: Fixed the msg-req TLV len check in tipcnlcompatnametabledumpheader. This is a follow-up to commit 974cb0e3e7c9 “tipc: Fixed uninit-value in tipcnlcompatnametabledump“”, where a type cast from sizeof.. to int was required so...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: ublk: Fix for deadlock when reading the partition table When a process such as udev opens the ublk block device e.g., to read the partition table using bdevopen, a deadlock can occur: 1. bdevopen grabs the disk-openmutex. 2. The...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: A fix was made to perform a sanity check on the destination blkaddr during recovery. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: A change in capacity was detected, from 0...

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: - For partitions: fixed handling of bogus partition tables. Several issues in partition probing have been fixed: - The bailout mechanism for a bad partoffset must use putdevsector, since the previous readpartsector call...