Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fixed a suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex, and iptunnelfind is only called from the control path where the mutex is acquired. Added a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ALSA: Timer – Do not take registermutex with copyfrom/touser. The infamous mmaplock taken during copyfrom/touser can often be problematic when it is called within another mutex, as this may lead to deadlocks. In the case of ALSA...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: Ensure that ioeventfdsignal delays another RCU period. ioeventfddosignal is invoked from an RCU callback. However, when the reference to ioevfd is dropped, it directly calls ioeventfdfree if the refcount drops to...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ARP: RCU protection is now used in arpxmit. The arpxmit function can be called without RTNL or RCU protection. RCU protection is used to avoid potential Use-After-Allocation UAF vulnerabilities...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ovl: Fixed a UAF Use-After-Free in ovldentryupdatereval by moving dput before ovllinkup. The issue arose because dputupper was called before ovldentryupdatereval, while upper-dflags was still accessed in ovldentryremote. Movin...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: The neighnotify function can be called without RTNL or RCU protection. Use RCU protection to avoid potential Universal Atomic Faults UAF...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: scsi: ufs: core: bsg: Fixed a crash that occurs when the arpmb command fails. If the device does not support arpmb, a crash will occur due to the copying of user data in bsgtransportsgiofn. In cases where...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: hrtimers: Timers queued after CPUHPAPHRTIMERSDYING are forced to be migrated away from the dying CPU to any online target. This is done to avoid delaying bandwidth timer handling tasks related to CPU hotplug progress. However,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: x86/mce: Used iscopyfromuser to determine the copy-from-user context. Patch series “mm/hwpoison: Fix regressions in memory failure handling”, v4. 1. What is being attempted? This patchset addresses two critical regressions...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf/core: Added RCU read lock protection to perfiteratectx The perfiteratectx function performs RCU list traversal, but currently lacks RCU read lock protection. This causes lockdep warnings when running perf probes with unshare...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: iommu: Two issues were fixed in iommucopystructfromuser. During the review of the iommucopystructtouser helper function, Matt pointed out that a NULL pointer should be rejected before dereferencing it:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: mcast: Extended RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. We have extended RCU protection so that we can safely retrieve the net pointer and avoid a potential UAF...

kernel: ndisc: use RCU protection in ndisc_alloc_skb()

A vulnerability was found in the Linux kernel's IPv6 Neighbor Discovery NDISC subsystem, which manages network neighbor information. The issue arises from improper synchronization mechanisms when allocating socket buffers skbuff in the ndiscallocskb function. Specifically, the function can be...

firefox: thunderbird: Potential local code execution in “Copy as cURL” command

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, leading to local code execution on the user's system...

firefox: thunderbird: Potential local code execution in “Copy as cURL” command

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, leading to local code execution on the user's system...

firefox: thunderbird: Potential local code execution in “Copy as cURL” command

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, leading to local code execution on the user's system...

firefox: thunderbird: Potential local code execution in “Copy as cURL” command

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, leading to local code execution on the user's system...

firefox: thunderbird: Potential local code execution in “Copy as cURL” command

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, leading to local code execution on the user's system...

firefox: thunderbird: Potential local code execution in “Copy as cURL” command

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, leading to local code execution on the user's system...

firefox: thunderbird: Potential local code execution in “Copy as cURL” command

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, leading to local code execution on the user's system...