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 – 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 5.15

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around sysctltcpmtuprobefloor. When reading sysctltcpmtuprobefloor, it can be changed concurrently. Therefore, we need to add READONCE to its reader...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fixed the issue of using a blob after it was freed. We are not allowed to return an error at this point. Looking at the code, it seems that ret is always 0 at this point, but that’s not the case. c t =...

Astra Linux – Vulnerability in 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: A slab-out-of-bounds condition occurs in indxinsertintobuffer+0xaa3/0x13b0. Location: fs/ntfs3/index.c:1755 A read of size 171...

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: Media: dvb-frontends: dib3000mb: The issue of an uninitialized value was fixed in dib3000writereg. Syzbot reports that there is an issue with uninitialized values discovered by KMSAN in dib3000readreg. The local variable rb2 is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: amdsfh: Fix for shift-out-of-bounds The shift operation on the ‘exp’ and ‘shift’ variables exceeds the maximum number of shift values in the u32 range, resulting in a UBSAN shift-out-of-bounds error. … 6.120512 UBSAN:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Check whether the transferred 2D BO is a shmem BO. The transferred 2D BO must always be a shmem BO. Add a check to prevent NULL dereferencing if the user space passes a VRAM BO...

Astra Linux – Vulnerability in Linux 5.15

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

In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount It is necessary to ensure that the value of the block size recorded in the superblock is valid. Otherwise, the shift operation used to calculate the block size may overflow, resulting ...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149, and Thunderbird 149. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability ha...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Rejecting out-of-bounds values in sndsocputvolsw We currently do not validate whether the values being set are within the range that we have advertised to userspace as valid. Instead, we reject any values that are out ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: systemport: Added global locking for the descriptor lifecycle. The descriptor list is a shared resource across all transmit queues. The locking mechanism currently used only protects concurrency within a given transmit queue...

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, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: mma8452: Fixed the issue with triggering references. The mma8452 driver directly assigns a trigger to the struct iiodev. When the IIO core uses this trigger, it will call iiotriggerput to decrement the reference count by 1...

Astra Linux – Vulnerability in Firefox, Thunderbird

Memory safety bugs exist in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability has been fixed in Firefox...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek – Fixed a refcount leak in mtkpciesubsyspowerup. The offindcompatiblenode function returns a node pointer whose refcount has been incremented. We should use ofnodeput on it after processing. Also, add the missing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix scheduling while atomic The driver makes a call to the midlayer function fcremoteportdelete, which can put the thread to sleep. The thread that originates the call is in interrupt context. The combination of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of dereferencing a stale list iterator after the loop body has been executed has been fixed. The list iterator variable will become a bogus pointer if no break is executed. Dereferencing it in this case, cur-page...