Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: sca3000: Fixed a resource leak in sca3000probe The variable spi-irq is not released after the requestthreadedirq function calls, when iiodeviceregister fails. Added a return value check and a jump to a common error handler...

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: NFSv4/pNFS: Fixed a race condition related to waking up the NFSLAYOUTDRAIN task. We identified several systems where tasks were stuck in a writeback state, waiting for the same page lock. Additionally, one task was waiting for th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf: RISC-V: Remove PERFHESSTOPPED flag checking in riscvpmustart Since commit 096b52fd2bb4 “perf: RISC-V: throttle perf events”, the perfsampleeventtook function was added to report time spent in overflow interrupts. If the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bootconfig: Use memblockfreelate to free xbc memory to the buddy allocator. In the code for freeing xbc memory in xbcexit, memblock might have transferred memory to the buddy allocator. Therefore, it doesn’t make sense to free...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: Skip non-Ethernet packets Currently, tcfskbmodact assumes that packets use Ethernet as their L2 protocol. This assumption is not always true. For example, for CAN devices: bash $ ip link add dev vcan0 type...

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: ath11k: fixed node corruption in the “ar-arvifs” list In the current WLAN recovery code flow, ath11kcorehalt only re initializes the “arvifs” list head. This causes the list node immediately following the list head to becom...

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

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: The return value of tcpbpfsendmsg was corrected. When we use the cork mechanism in psock-cork, the last message triggers flushing, resulting in sending a skmsg that is larger than the current message size. In this case, i...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: mlxreg-fan Returns a non-zero value when the fan’s current state is enforced from sysfs. The minimum fan speed can be enforced from sysfs. For example, setting the current fan speed to 20 is used to force the fan speed ...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A use-after-free bug in nilfsroot has been fixed in nilfsevictinode. During the unmount process of nilfs2, nothing holds the nilfsroot structure after nilfs2 detaches its writer in nilfsdetachlogwriter. However, since...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gt: Fixed a potential UAF issue by revoking the fence registers. CI has been sporadically reporting the following issue triggered by igt@i915selftest@live@hangcheck on ADL-P and similar machines: 414.049203 i915:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: EDAC/qcom: Do not pass llccdrivdata as edacdevicectlinfo’s pvtinfo. The memory for llccdrivdata is allocated by the LLCC driver. However, when it is passed as private driver information to the EDAC core, it will be freed during t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Prevents attempts to reclaim poisoned pages TL;DR: In SGX, when pages are reclaimed, their contents are copied to secondary storage. SGX instructions do not properly handle machine checks. Nevertheless, existing SGX code...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: phy-mtk-tphy: Fixed some resource leaks in mtkPhyInit. Used clkdisableunprepare in the error path of mtkPhyInit to address some resource leaks...

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

In the Linux kernel, the following vulnerability has been resolved: In the dmstats function, check for and propagate the allocpercpu failure. Check the return value of allocprecpu, and return an error from dmstatsinit if it fails. Update allocdev to fail if dmstatsinit does. Otherwise, a NULL...

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

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential OOBs in smb2parsecontexts Validate offsets and lengths before dereferencing create contexts in smb2parsecontexts. This fixes following oops when accessing invalid create contexts from server: BUG: unabl...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: Avoid deadlock in sriovnumvfsstore caused by pcidevlock The sysfs sriovnumvfsstore path acquires the device lock before the config space access lock: sriovnumvfsstore devicelock A 1 acquires the device lock sriovconfigure...

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

In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port-lock when calling uarthandlectschange The uarthandlectschange function must be called with the port locked. Since we execute it in a separate thread, the lock might not be acquired at the time of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure When the setup of DAMON’s sysfs directory fails after the setup of attrs/, subdirectories of attrs/ directory are not cleaned up. As a result, DAMON’s sysfs...

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

In the Linux kernel, the following vulnerability has been resolved: dm thin: Make getfirstthin use rcu-safe list first function. The documentation in rculist.h explains the absence of listemptyrcu and warns programmers against relying on a sequence of listempty - listfirst in RCU-safe code. This ...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.11.10. In the drivers/net/ethernet/freescale/gianfar.c file of the Freescale Gianfar Ethernet driver, it was found that a negative fragment size can be calculated in situations where an rx queue overrun occurs when jumbo packets are use...