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

In the Linux kernel, the following vulnerability has been resolved: Staging: iio: frequency: ad9834: Validate frequency parameter value In ad9834writefrequency, clkgetrate may return 0. In such cases, the call to ad9834calcfreqreg will result in a division by zero. Checking if fout clkfreq / 2 do...

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: ALSA: firewire-lib: Avoid division by zero in applyconstrainttosize The step variable is initialized to zero. It is changed during the loop, but if it isn’t changed, it will remain zero. Add a variable check before the division...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct canframe is NULL. This issue is actually handled everywhere inside ctucanerrinterrupt, except for the only place. Add the missing NULL...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Prevent overflow in size calculation for memdupuser The number of apqn target list entries contained in the ‘nrapqns’ variable is determined by userspace via an ioctl call; thus, the product of these values used in...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: LPIT – Avoid u32 multiplication overflow. In the function lpitupdateresidency, there is a possibility of overflow during multiplication, if tsckhz is large enough UINTMAX/1000. The multiplication operation should be replace...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: traceeventshist: A check was added to ensure that the return value of createhistfield is checked. The function createhistfield is called recursively at line 1954 of traceeventshist.c, and it may return a NULL value. Therefore, we...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed an integer overflow issue while processing the acdirmax mount option. The user-provided mount parameter acdirmax, of type u32, is intended to have an upper limit. However, before this limit is validated, the value is...

Astra Linux - Vulnerability in linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL dereference in efimemreservepersistent When iterating over a linked list, the result of memremap is dereferenced without checking it for NULL. This patch adds a check that falls back to allocating a new pa...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: qlogic/qede: fixed a potential out-of-bounds read in qedetpacont and qedetpaend. The loops in ‘qedetpacont’ and ‘qedetpaend’ iterate over ‘cqe-lenlist’ using only a zero-length terminator as the stopping condition. If the...

Astra Linux – vulnerability in linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: dma-mapping: benchmark: handle NUMANONODE correctly cpumaskofnode can be called for NUMANONODE inside domapbenchmark, resulting in the following sanitizer report: UBSAN: array-index-out-of-bounds in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw88 – Check whether a PCI upstream bridge exists. The pciupstreambridge function returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix buffer overflow in printcpustallinfo The rcuc-starvation output from printcpustallinfo may overflow the buffer if there is a large difference in jiffies. The situation may seem unlikely, but computers sometimes get very...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: xsk: fix an integer overflow in xpcreateandassignumem Since the i and pool-chunksize variables are of type ‘u32’, their product can wrap around and then be cast to ‘u64’. This can result in two different XDP buffers pointing to t...

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

In the Linux kernel, the following vulnerabilities have been resolved: cifs: avoided NULL pointer dereferencing in debug calls. The cifsserverdbg function assumes that the server variable is non-NULL. Therefore, the calling sequence has been modified to avoid NULL pointer dereferencing. Identifie...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix possible int overflows in nilfsfiemap Since nilfsbmaplookupcontig in nilfsfiemap calculates its result by being prepared to handle up to maxblocks == INTMAX blocks, the value in n may experience an overflow caused by ...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel - Add error handling for dmamapsg calls The macro dmamapsg may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previously mapped buffers using dmaunmapsg. Found ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue in fdt: fix off-by-one error in unflattendtnodes Commit 78c44d910d3e “drivers/of: Fix depth when unflattening devicetree” forgot to fix the depth check in the loop body of unflattendtnodes. This could lead to an overflo...

Astra Linux – vulnerability in linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: qed/qedsriov: guard against NULL derefs from qediovgetvfinfo We must ensure that the information returned by the helper is valid before using it. Found by the Linux Verification Center linuxtesting.org using the SVACE static...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: topology: Fix for a potential overflow in amufiesetup. The function cpufreqgetHWmaxfreq returns the maximum frequency in kHz as an unsigned int. However, the function freqinvsetmaxratio receives this frequency in Hz as an...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: hifusb: A use-after-free issue has been fixed in ath9khifusbregincb. It is possible that the skb buffer is freed during ath9khtcrxmsg, and then usbsubmiturb fails. As a result, we try to free the skb buffer again,...