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 5.15

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: PM / devfreq: hisi: Fixed a potential UAF issue in OPP handling. Ensured that all required data is acquired before calling devpmoppputop, to maintain the correct order of resource acquisition and release...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: preventing buffer overflow in hidhwrequest. Currently, the returned value is considered to be always valid. However, when working with HID-BPF, the returned value can be arbitrarily large, because it is the returned val...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: bcmgenet: Use stronger register read/writes to ensure proper ordering. GCC12 seems to be much more efficient in tracking dependencies. It recognizes that relaxed variants are merely normal loads and stores, which is causi...

Astra Linux – Vulnerability in Twisted

Twisted is an event-based framework for internet applications, compatible with Python 3.6+. Before version 22.4.0rc1, the Twisted Web HTTP 1.1 server, located in the twisted.web.http module, parsed several HTTP request constructs more leniently than allowed by RFC 7230. This non-conformant parsin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the xid leak in cifscreate If the cifs function has already been shut down, we should release the xid before returning it; otherwise, the xid will be leaked...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The inode is marked as “bad” as soon as an error is detected using the mienumattr function. The interface of the miEnumAttr function was extended by adding an additional parameter, struct ntfsinode ni. This allows the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Resetting connections when trying to use SMCRv2 fails. We identified a crash when using SMCRv2 with 2 Mellanox ConnectX-4 devices. This issue can be reproduced by running the following commands: - smcrun nginx - smcru...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: mma8452: Fixed the issue with triggering references. The mma8452 driver directly assigns a trigger to the struct iiodev. When the IIO core uses this trigger, it calls iiotriggerput to decrement the reference count by 1...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “NFSD: Remove the cap on the number of operations per NFSv4 COMPOUND.” I have found that the pynfs COMP6 now leaves the connection or lease in a strange state, causing CLOSE9 to hang indefinitely. I have investigated this issue a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed a buffer overflow in mgmtmeshadd Smatch Warning: net/bluetooth/mgmtutil.c:375 mgmtmeshadd error: memcpy “meshtx-param” is too small 48 instead of 50 Analysis: “meshtx-param” is an array of size 48. This is the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Open-coded GGTT MMIO access protection. GGTT MMIO access is currently protected by hotplug drmdeventer, which works correctly when the driver loads successfully and is later unbound or unloaded. However, if the driver loa...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: amdsfh: Fix for shift-out-of-bounds The shift operation on the ‘exp’ and ‘shift’ variables exceeds the maximum number of shift values in the u32 range, resulting in a UBSAN shift-out-of-bounds error. … 6.120512 UBSAN:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Fixed a null pointer dereference in blkmqclearrqmapping. Our syzkaller report identified a null pointer dereference. The root cause is as follows: - blkmqallocmapandrqs: set-tagshctxidx = blkmqallocmapandrqs. -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Don’t spin in addstackrecord when gfp flags don’t allow. The syzbot tool was able to identify the following functions: addstackrecordtolist in mm/pageowner.c:182 inline incstackrecordcount in mm/pageowner.c:214 inline...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/gup: Fixed the FOLLFORCE COW security issue and removed FOLLCOW. Since the Dirty COW CVE-2016-5195 security issue occurred, we know that FOLLFORCE can potentially be dangerous, especially if there are races that can be exploit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed the issue of possible double unlocking when moving a directory...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fixed the issue where the array ‘lp-phy8’ might be out of bounds. In line 5001, if all values in the array ‘lp-phy8’ are not 0, then at the end of the ‘for’ loop, the value of ‘k’ will be 8. At this point, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Platform/x86: alienware-wmi-wmax: Fixed the dmisystemid array. Added a missing empty member to awccdmitable...