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

In the Linux kernel, the following vulnerabilities have been resolved: llc: A test for maclen should be performed before reading the MAC header. The LLC layer reads the MAC header using ethhdr, without verifying that the skb contains an Ethernet header. Syzbot was able to access the llcrcv functi...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 109 and Firefox ESR 102.7. 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 affects Firefox versions less than 110 and...

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

In the Linux kernel, the following vulnerability has been resolved: dm thin: Make getfirstthin use rcu-safe list first function. The documentation in rculist.h explains the absence of listemptyrcu and warns programmers against relying on a sequence of listempty - listfirst in RCU-safe code. This ...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 96 and Firefox ESR 91.5. 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...

Astra Linux – Vulnerability in Firefox

Mozilla developers reported memory safety bugs in Firefox 91. 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 affects versions of Firefox prior to 92...

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

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: xgmac: Fixed the handling of Data Path Parity Errors for DMA channels. The commit 56e58d6c8a56 „net: stmmac: Implement Safety Features in XGMAC core“ checks for safety errors, but leaves Data Path Parity Errors for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Use RCU for hciconnparams and iterate safely in hcisync. hciupdateacceptlistsync iterates over hdev-pendleconns and hdev-pendlereports, and waits for controller events within the loop body, without holding the hdev...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers Ashley Hale and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 105 and Firefox ESR 102.3. 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...

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

In the Linux kernel, the following vulnerability has been resolved: “mm/writeback: fix possible divide-by-zero in wbdirtylimits, again” This issue was addressed by reverting to the previous behavior. The patch series “mm: Avoid possible overflows in dirty throttling” also addresses this issue. Th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfs: Do not wander off the end of a directory data block This fix adds sanity checks for xfsdir2dataunused and xfsdir2dataentry to ensure that the code does not go beyond the valid memory region. Before the patch, the loop simply...

Astra Linux – Vulnerability in Firefox

Mozilla developers Gabriele Svelto, Yulia Startsev, Andrew McCreight, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 106. 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 execut...

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: uvcvideo: Remove dangling pointers When an async control is written, we copy a pointer to the file handle that initiated the operation. That pointer will be used when the device is completed—which could happen at any time ...

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: acpi: nfit: vmalloc-out-of-bounds read in acpinfitctl Fixed an issue detected by syzbot with KASAN: BUG: KASAN: vmalloc-out-of-bounds in cmdtofunc drivers/acpi/nfit/core.c:416 inline BUG: KASAN: vmalloc-out-of-bounds in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fbdisplayi-mode to NULL when the mode is released. Recently, we discovered the following issue through syzkaller: BUG: KASAN: Slab-use-after-free in fbmodeisequal+0x285/0x2f0 A read of size 4 at address ff11000001b3c69...

Astra Linux – Vulnerability in Firefox

A memory safety bug has been fixed in Firefox 152. This vulnerability was addressed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Avoid field-overflowing memcpy In preparation for FORTIFYSOURCE, we are performing compile-time and run-time field bounds checking for memcpy, memmove, and memset. Avoid intentionally writing across neighboring fields...

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: UDP: Do not accept non-tunnel GSO packets that land in a tunnel. When rx-udp-gro-forwarding is enabled, UDP packets may be forwarded in a way that causes them to land in a tunnel. This can lead to various issues. udpgroreceive...

Astra Linux – Vulnerability in Firefox and Thunderbird

When accessing throttled streams, the number of available bytes that need to be checked in the calling function must be within limits. This may cause future code to be incorrect and vulnerable. This vulnerability affects Firefox 111, Firefox ESR 102.9, and Thunderbird 102.9...

Astra Linux – Vulnerability in Thunderbird, Firefox

Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 108 and Firefox ESR 102.6. 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...

Astra Linux – Vulnerability in Firefox and Thunderbird

Freeing arbitrary nsIInputStream's on a thread other than the one in which they were created could lead to a use-after-free, potentially causing a crash. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...