Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed an OOB read issue in indxinsertintobuffer. Syzbot reported a OOB read bug: BUG: KASAN: Out-of-bounds access in indxinsertintobuffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 A read of size 17168 was performed at address...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring/rw: Defer fsnotify calls to task context. We cannot defer these calls outside of the kiocb completion, as that might be off-soft/hard IRQ context. We should defer the calls until we process the taskwork for this reques...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: efct: Fixed a possible memory leak in efctdeviceinit. In efctdeviceinit, when efctscsiregfctransport fails, efctscsitgtdriverexit is not called to release memory used by efctscsitgtdriverinit, resulting in a memory leak:...

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: 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: smb: client: fixed a potential use-after-free in smb2queryinfocompound When smb2QueryInfoCompounded attempts to retry, the previously allocated cfid might have been freed during the first attempt. Since the cfid was not reset...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “arm64: zynqmp: Add an OP-TEE node to the device tree” This issue has been resolved through the commit 06d22ed6b6635b17551f386b50bb5aaff9b75fbe. OP-TEE logic in U-Boot automatically inserts a reserved-memory node along with the...

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 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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: rejection iftype changes with mesh ID changes It is currently possible to change the mesh ID when the interface is not yet in mesh mode, while also changing it into mesh mode. This leads to an overwrite of data in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw89: sar: The assertion droplockdep in rtw89setsarfromacpi was removed. This assertion is triggered during the startup of the rtw89 driver. It seems meaningless to hold wiphy lock at the early initialization stage;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pinctrl: cirrus: cs42l43: Fixed double-put in cs42l43pinprobe devmaddactionorreset already invokes the action in case of failure; therefore, the explicit put causes a double-put...

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 found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed the shift-out-of-bounds issue 567.613292 The shift exponent 255 is too large for the 64-bit type ‘long unsigned int’ 567.614498 CPU: 5 PID: 238 Comm: kworker/5:1 Tainted: G OE 6.2.0-34-generic 3422.04.1-Ubunt...