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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid use-after-free in ext4extshowleaf In ext4findextent, the path may be freed by an error or reallocated. Therefore, using a previously saved ppath may have already been freed, thereby potentially causing a use-after-fre...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Makes rmwlock a rawspinlock. The following bug was triggered: ============================= Bug: Invalid wait context 6.12.0-rc2-XXX 406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock:...

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

In the Linux kernel, the following vulnerabilities have been resolved: “aoe”: The potential use-after-free problem has been fixed in multiple locations. Regarding the fix for CVE-2023-6270, f98364e92662 “aoe: The potential use-after-free problem has been fixed in aoecmdcfgpkts” involves replacing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf,perf: Fixed an invalid progarray access in perfeventdetachbpfprog Syzbot reported a crash that occurs in the following tracing scenario: - Create a tracepoint with attr.inherit=1, attach it to the process, and set the BPF...

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

In the Linux kernel, the following vulnerability has been resolved: Bonding: Fix for xfrm realdev null pointer dereference We should not set realdev to NULL, because packets may still be in transit, and xfrm might call xdodevoffloadok in parallel. All callbacks assume that realdev is set. Example...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: During vport deletion, an explicit async logout operation is required. During vport deletion, it was observed that an crash occurred due to stale entries in the outstanding command array. For all these stale I/O...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: perf: Fixed event leakage upon execution and file release The pending task work related to perf is never waited for when a matching event occurs. In the case of a child event released directly via freeevent, this can potential...

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

In the Linux kernel, the following vulnerability has been resolved: padata: A possible “divide-by-0” panic has been fixed in padatamthelper. We are encountering a “divide-by-0” panic in padata.c during bootup. 10.017908 Oops: Divide error: 0000 1 PREEMPT SMP NOPTI 10.017908 CPU: 26 PID: 2627 Comm...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A memory leak was fixed in the parseleasestate function. The previous patch that added a bounds check for the create lease context introduced a memory leak. When the bounds check fails, the function returns NULL, without...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Eliminate the window where the window in which TLB flushes may be inadvertently skipped. TL;DR: There is a window in the MM switching code where the new CR3 is set, and the CPU should receive TLB flushes for the new MM...

Astra Linux – Vulnerability in Linux

A issue was discovered in netfilter within the Linux kernel before version 5.10. There may be a use-after-free situation in the packet processing context, as the per-CPU sequence count is mishandled during concurrent iptables rule replacements. This vulnerability could be exploited with the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: media: dvbdev: Fixed a memory leak in dvbMediaDeviceFree. The function dvbMediaDeviceFree leaks memory. It is necessary to free the dvbdev-adapter-conn object before setting it to NULL, as documented in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: memcg: A potential “use-after-free” issue has been fixed in memcgwriteeventcontrol. memcgwriteeventcontrol accesses the dentry-dname of the specified control file to route the write operation. Since a cgroup interface file cannot...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Fixed the bounds check for sx controls. For sx controls, the semantics of the max field are not the usual one; max represents the number of steps, rather than the maximum value. This means that our check in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Free buffers when a used dynamic event is removed After 65536 dynamic events have been added and removed, the “type” field of the event uses the first available type number which is not currently used by other events. A...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-dv-timings.c: fix too strict blanking sanity checks Sanity checks were added to verify the v4l2bttimings blanking fields in order to avoid integer overflows when the user space passes strange values. However, this...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iavf: Error handling in iavfinitmodule has been fixed. The iavfinitmodule no longer destroys the workqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to prevent resource leaks. This...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: Fixed a bug where sleep was performed from an invalid context in btrfsqgroupinherit. Syzkaller reported the bug as follows: Bug: A sleep function is called from an invalid context at include/linux/sched/mm.h:274 Ca...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: sfc: added re initialization of missing xdp queues When the size of the RX/TX ring buffer is changed, a kernel panic occurs when it acts as XDPTX or XDPREDIRECT. When the size of the TX/RX ring buffer is changed using...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921 – fixed a crash that occurred during startup failure. If the network interface card fails to start, it is possible that the resetwork task has already been scheduled. Ensure that this task is canceled so that a...