Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the sanity check on summary information As Wenqing Liu reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 BUG: KASAN: use-after-free in recoverdata+0x63ae/0x6ae0 f2fs Read of size 4 at addr...

Astra Linux – Vulnerability in Firefox

Incorrect garbage collection interactions could lead to a use-after-free vulnerability. This vulnerability affects Firefox versions earlier than 129...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables – Use a timestamp to check for set element timeout. A timestamp field was added at the beginning of the transaction; it is stored in the nftablespernetns area. The .insert, .deactivate, and syncgc functions...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: mcast: Wait for previous GC cycles when removing a port The syzbot encountered a use-after-free issue1. This issue occurs because the bridge does not ensure that all previous garbage collection cycles are completed...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: Defer the garbage collection of registered files to iouring’s responsibility. Instead of having unixgc handle the registered files of iouring, we want iouring to handle them itself. The key here is to consider the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetrbtree: Fixed an issue with overlapping expiration walks. The lazy garbage collection during insertion, which should remove entries when the timeout occurs, fails to properly release the remaining part of the...

Astra Linux – Vulnerability in Chromium

In Google Chrome, the use of garbage collection after version 94.0.4606.81 allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Before version 95.0.4638.69, using garbage collection in Google Chrome allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability in Linux, Linux 5.10

iouring UAF, Unix SCM garbage collection...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Calling kfreeskb for dead unixsk-oobskb in GC. syzbot reported a warning in unixgc, which creates a socketpair and sends the fd of one socket to itself using the peer. socketpairAFUNIX, SOCKSTREAM, 0, 3, 4 = 0 sendmsg4,...

Astra Linux – Vulnerability in Firefox and Thunderbird

The garbage collector might have been aborted in several states and zones, and GCRuntime::finishCollection might not have been called, resulting in a use-after-free and potentially exploitable crash. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

Astra Linux – Vulnerability in Firefox and Thunderbird

During Ion compilation, a garbage collection operation could lead to a “use-after-free” condition, allowing an attacker to write two NUL bytes and cause a potentially exploitable crash. This vulnerability affects Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: The backend for setting up DEAD bits was changed to use the GC transaction API. The old and buggy gc API and the busy mark approach have been replaced with the GC transaction API. No set elements are remov...

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: afunix: Fixed the garbage collector’s race condition with connect The garbage collector does not consider the risk of an “embryo” being enqueued during garbage collection. If such an “embryo” has a peer that carries SCMRIGHTS, tw...

Astra Linux – Vulnerability in Firefox and Thunderbird

After a Garbage Collector compaction, weak maps might have been accessed before they were properly traced. This led to memory corruption and potentially exploitable crashes. This vulnerability affects Firefox 112, Focus for Android 112, Firefox ESR 102.10, Firefox for Android 112, and Thunderbird...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: Update lastgc only when garbage collection GC has been performed. Currently, lastgc is updated every time a new connection is tracked. This means it is updated even if no garbage collection was performed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Initialize sccindex in unixaddedge. Quang Le reported that the AFUNIX GC could garbage-collect a receive queue of an alive in-flight socket, with a detailed repro. The repro consists of three stages. 1 Create a single...

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: HID: core: Fixed the assumption that Resolution Multipliers must be contained in Logical Collections. A report in 2019 by the syzbot fuzzer identified two errors related to Resolution Multipliers in the HID core. One of these...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The commit mutex should not be released during the critical section between nftgcseqBegin and nftgcseqEnd. Otherwise, the async GC worker could collect expired objects and obtain the released commit lock with...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Do not use GC if MSGPEEK occurred. Igor Ushakov reported that GC purged the receive queue of a live socket due to a race with MSGPEEK, with a fix provided. This is exactly the same issue that was previously fixed in the...