Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Check whether a station exists first in the client probe. When probing a client, first check whether a station exists, and then check the channel context. Otherwise, a warning can easily be triggered by probing wh...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fsdax: Force the dirty mark to be cleared if CoW is used XFS allows CoW on non-shared extents to combat fragmentation1. The old non-shared extent can be rewritten before use; its dax entry is marked as “dirty”. This results in a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: khugepaged: skip huge page collapse for special files The read-only THP for file systems will collapse the THP for files that are opened in read-only mode and mapped with VMEXEC. The intended use case is to avoid TLB misses f...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: The FPU state is invalidated after a failed XRSTOR operation from a user buffer. Both Intel and AMD consider it to be architecturally valid for XRSTOR to fail with PF, but they have nonetheless changed the state of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw89: sar: The assertion droplockdep in rtw89setsarfromacpi was removed. This assertion is triggered during the startup of the rtw89 driver. It seems meaningless to hold wiphy lock at the early initialization stage;...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/sti: The return type of stidvo,hda,hdmiconnectormodevalid has been corrected. With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer...

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

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fixed a possible NULL pointer dereferencing in sendacknowledge This issue involves handling memory allocation failures caused by nciskballoc, which calls allocskb. This fix prevents possible NULL pointer dereferences...

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: netfilter: nftables: Honor the “dormant flag” from the netdev release event path. Check for the “dormant flag” of the table otherwise the netdev release event path attempts to unregister an already unregistered hook...

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

In the Linux kernel, the following vulnerability has been resolved: pstore/platform: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl4965 – Added a check for the return value of the createsinglethreadworkqueue function. The check is added to prevent NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/mprotect: Only reference swappfn is called if the type matches. Yu Zhao reported a bug after the commit “mm/swap: Add swpoffsetpfn to fetch PFN from swap entries” added a check in swpoffsetpfn for the swap type 1: Kernel bug a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Associating skb with a device at tx. Syzkaller triggered a flow dissector warning with the following code: c r0 = openat$ppp0xffffffffffffff9c, &0x7f0000000000, 0xc0802, 0x0 ioctl$PPPIOCNEWUNITr0, 0xc004743e,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint – Fix for misused goto labels. A misused goto label jump can lead to a memory leak. This issue has been addressed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: stm32-csi: The dereference operation was corrected before the NULL check. In stm32csistart, the variable csidev-ssubdev is dereferenced directly when assigning a value to srcpad. However, the same value is then checked...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed an OOB read issue in indxinsertintobuffer. Syzbot reported a OOB read bug: BUG: KASAN: Out-of-bounds access in indxinsertintobuffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 A read of size 17168 was performed at address...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring/rw: Defer fsnotify calls to task context. We cannot defer these calls outside of the kiocb completion, as that might be off-soft/hard IRQ context. We should defer the calls until we process the taskwork for this reques...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: efct: Fixed a possible memory leak in efctdeviceinit. In efctdeviceinit, when efctscsiregfctransport fails, efctscsitgtdriverexit is not called to release memory used by efctscsitgtdriverinit, resulting in a memory leak:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/core: Always clear status for idx The variable status which contains the unhandled overflow bits is not being properly masked in some cases, resulting in the following warning: WARNING: CPU: 156 PID: 475601 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: corrected incorrect kunmap when using LZMA on HIGHMEM platforms As shown in the call trace, the root cause is incorrect pages handled by kunmap: BUG: Kernel NULL pointer dereferencing, address: 00000000 CPU: 1 PID: 40 Comm...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Update sjournalinum if it changes after journal replay. When mounting a crafted ext4 image, sjournalinum may change after journal replay. This is obviously unreasonable, because we have successfully loaded and replayed the...