Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed a possible leak of the pernet namespace in smcinit. In smcinit, registerpernetsubsys&smcnetstatops is called without any error handling. If this call fails, the registration of &smcnetops will not be reversed. And ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an incorrect match in devargsmatchdevice. Syzkaller discovered a failed assertion: “Assertion failed: args-devid != u64-1 || args-missing”, in fs/btrfs/volumes.c:6921. This issue can occur when we set devid to u64-1...

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

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed “ksmbd: validate command payload size”, except for the SMB2OPLOCKBREAKHE command, the request size of other commands is not checked—this is not expected. This issue was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: rtw89: Fixed a potential race condition between napiinit and napienable. A race condition can occur if netdev is registered, but NAPI is not initialized yet. Meanwhile, the user space starts the netdev that will enable...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fixed potential NULL pointer dereferencing in fclportptpsetup The fclportptpsetup function did not check the return value of fcrportcreate, which may return NULL, leading to a NULL pointer dereferencing issue. This...

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

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed the issue where the RPC client cleaned up the freed pipefs directories. The cleanup of the RPC client’s pipefs directories is handled in the rpcremovepipedir function, which processes the workqueue. This function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb: client: The use of smbdirectsocketrecvio.credits.available has been corrected. The logic for managing recv credits by counting posted recvio and granted credits is flawed. This is because the peer might have already consumed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a check for kmemdup. Since kmemdup may return a NULL pointer, it would be better to add a check on the return value to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smackfs: Restrict bytes count in smksetcipso Oops, I failed to update the subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 on Mon, Sep 17, 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: Restrict byt...

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: 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 vulnerabilities have been resolved: - svcrdma: The use of rcpageoff for the byte offset in memcpy was corrected. - svcrdmacopyInlinerange: The page index rccurpage was added to the page base instead of the byte offset rcpageoff. Use rcpageoff to ensure that copi...

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...