Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed the warning related to sk-skforwardalloc in skstreamkillqueues. When running testsockmap in selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - In media:meson:vdec, a possible refcount leak has been fixed in vdecprobe. It is necessary to call v4l2deviceunregister after vdecprobe fails, or when vdecremove is called...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fixed a use-after-free in stateshow stateshow reads kdamond-damonctx without holding damonsysfslock. This allows a use-after-free race condition: CPU 0 CPU 1 ----- ----- stateshow damonsysfsturndamonon ctx =...

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: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fixed the use of a pointer after it is freed in ipmidestroyuser. The intffree function frees the “intf” pointer, so we cannot dereference it again in the next line...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed a mid leak that occurred during reconnection after a timeout threshold. When the number of responses with the status STATUSIOTIMEOUT exceeds a specified threshold NUMSTATUSIOTIMEOUT, we reconnect the connection...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: hi846: The usage of pmruntimegetifinuse has been corrected. pmruntimegetifinuse not only returns non-zero values when the device is in use, but it can also return a negative errno. Especially during resume from system...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cpufreq: zynq: Fixed a refcount leak in zynqgetrevision. offindcompatiblenode returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing. Added ofnodeput to avoid the refcount leak issue...

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: jfs: fixed a out-of-bounds situation in dbSplit. When dmtbudmin is less than zero, it causes errors in later stages. A check was added to return an error beforehand within dbAllocCtl itself...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm: adv7511: A use-after-free issue has been fixed in adv7533attachdsi. The hostnode pointer was assigned and freed in adv7533parsedt. Later, adv7533attachdsi uses the same pointer. This use-after-free issue can be fixed by...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: soc: imx8m: The SoC driver needs to be probed as a platform driver. With driverasyncprobe= in the kernel command line, the following trace was produced because on the i.MX8M Plus hardware, the soc-imx8m.c driver calls clkgetbynam...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: fixed a memory leak in jffs2domountfs. If jffs2buildfilesystem in jffs2domountfs returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Do not modify -tagset in blkmqgetsqhctx. The function blkmqrunhwqueues may be called when there are no requests queued, and after the queue is cleaned up, -tagset is freed. This is because the lifetime of -tagset is manag...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix out-of-bounds read when setting HMAC data. The SRv6 layer allows defining HMAC data that can later be used to sign IPv6 Segment Routing Headers. This configuration is realized through netlink using four attributes:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath11k – Fixing the gtk offload status event locking issue The ath11k active PDevs are protected by RCUs, but the code that handles the gtk offload status event and calls ath11kmacgetarvifbyvdevid was not marked as a...

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: comedi: dt9812 – fixed DMA buffers on the stack. USB transfer buffers are typically mapped for DMA operations, and they must not be allocated on the stack; otherwise, transfers will fail. Proper transfer buffers should be allocat...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpbasemss. When reading sysctltcpbasemss, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

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: The issue related to comedi: a race between polling and detaching the device has been fixed. The syzbot report indicates a use-after-free in the comedi module. This occurs because comedi happily removes the allocated async area,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: uhci: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply call...