Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: aspeed: Fixed a potential NULL dereferencing in aspeedpinmuxsetmux. pdesc could potentially be null, but still, dereferencing pdesc-name would lead to a NULL pointer access. Therefore, we moved a null check before the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a NULL check for ‘replay’ in ‘edpsetreplayallowactive’. In the first if statement, we are checking whether ‘replay’ is NULL. However, in the second if statement, we do not check whether ‘replay’ is NULL aga...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed dynamic root getattr The recent patch to modify afagetattr to consult the server did not take into account the pseudo-inodes used by the dynamic root-type afa superblock. As a result, there was an oops when such a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Update sjournalinum if it changes after journal replay. When mounting a crafted ext4 image, sjournalinum may change after journal replay. This is obviously unreasonable, because we have successfully loaded and replayed the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a kernel crash that occurred due to a null io-bio. We should return immediately if io-bio is null before performing any actions. Otherwise, a panic will occur. BUG: Kernel NULL pointer dereferencing, address:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid the use of f2fsbugon in decvalidnodecount. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215897 I have encountered a bug in the F2FS file system in the kernel version...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/x86/amd: Fixed a crash that occurred due to a race between amdpmuenableall, perf NMI, and throttling. amdpmuenableall does the following: if !testbitidx, cpuc-activemask continue; amdpmuenableeventcpuc-eventsidx; A perf N...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k – Verify that the expected usbendpoints are present. This bug occurs when a USB device claims to be an ATH9K device, but it does not have the expected endpoints. In this case, there was an interrupt endpoint, and the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: corrected incorrect kunmap when using LZMA on HIGHMEM platforms As shown in the call trace, the root cause is incorrect pages handled by kunmap: BUG: Kernel NULL pointer dereferencing, address: 00000000 CPU: 1 PID: 40 Comm...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fixed a null pointer dereference issue when restoring bandwidth counters. When a MSC that supports memory bandwidth monitoring is brought offline and then brought back online, the mpamrestorembwustate function calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cgroup/dmem: avoided UAF in the pool An UAF issue was observed: BUG: KASAN: slab-use-after-free in pagecounteruncharge+0x65/0x150 Write of size 8 at addr ffff888106715440 by task insmod/527 CPU: 4 UID: 0 PID: 527 Comm: insmod...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed a leak of the rxgk context in rxgkverifyresponse. Fixed rxgkverifyresponse to properly clean up the rxgk context it creates...

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

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fixed potential corruption of the workqueue. In some cases, when running with the test-wwmutex code, I observed unusual behaviors where, sometimes, flushworkqueue seemed to return before all work threads had...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/xe: Fixed a potential integer overflow in the page size calculation. Explicitly cast tbo-pagealignment to u64 before shifting bits to prevent overflow when assigning to minpagesize...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dccp: Fixed a race condition involving the dp-dccpsmsscache variable. The dccpsendmsg function reads the dp-dccpsmsscache before locking the socket. The same issue occurs in dodccpgetsockopt. Added annotations for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iavf: Use internal state to free traffic IRQs If the system attempts to close the netdev while iavfresettask is running, the LINKSTATESTART field will be cleared, and netifrunning will return false in iavfreinitinterruptscheme. A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: dwhdmi: fixed connector access for scdc The commit 5d844091f237 “drm/scdc-helper: Pimp SCDC debugs” changed the scdc interface to retrieve an i2c adapter from a connector. However, in the case of dwhdmi, the wrong...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Net: Atlantic: Fixed an index out of range error in aqvec. The final update statement of the for loop exceeds the array range. The dereference of self-aqveci is not checked, leading to an index out of range error. This issue h...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/core: Always clear status for idx The variable status which contains the unhandled overflow bits is not being properly masked in some cases, resulting in the following warning: WARNING: CPU: 156 PID: 475601 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: connac: Do not check WED status for non-MMIO devices WED is only supported for MMIO devices. Therefore, do not check it for USB or SDIO devices. This patch fixes the crash reported below: 21.946627 wlp0s3u1i3:...