Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/cio: A race condition during online processing has been fixed. There is a race condition in the ccwdevicesetonline function, which can cause the online process to fail, leaving the affected device in an inconsistent state. A...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix missing folio cleanup in writeback race path In zswapwritebackentry, after obtaining a folio from readswapcacheasync, we reacquire the tree lock to ensure that the swap entry was not invalidated or recycled. If it...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Fix for the warning when handling the discoveridentity message Since both the source and sink devices can send the discoveridentity message in PD3, the kernel may display a warning. ------------ Cut here ---...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: kprobes/x86: Use copyfromkernelnofault to read from an unsafe address. Reading from an unsafe address using copyfromkernelnofault in archadjustkprobeaddr is allowed because this function is called before checking whether the...

Astra Linux – Vulnerability in Linux

An out-of-bounds memory access flaw was discovered in the fs/f2fs/node.c file within the f2fs module of the Linux kernel, in versions prior to 5.12.0-rc4. A failure in the bounds check allows a local attacker to gain access to out-of-bounds memory, resulting in a system crash or the leakage of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Cancel wiphywork before freeing wiphy A wiphywork can be queued from the moment it is allocated and initialized i.e., via wiphynewnm. When a wiphywork is queued, the rdev::wiphywork function is also queued. If the...

Astra Linux – Vulnerability in Linux

Shiftfs is a tree-based stacking file system included in Ubuntu Linux kernels. It did not handle faults that occurred during the copyfromuser function properly. This could lead to situations where resources were freed twice, or where no memory was actually freed at all. An attacker could exploit...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pmdomain: mediatek – A race condition with genpd has been fixed. If the power domains are first registered with genpd, and then the driver attempts to power them on during the probe sequence, it is possible for a race condition t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: handle large GSO sizes After the committed changes below, TCP sockets and MPTCP subflows can generate egress packets that are larger than 64K. This exceeds the maximum DSS data size; the packet length is misrepresented ove...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: block: Fixed a possible memory leak for rqwb when deviceadddisk fails. kmemleak reported memory leaks in deviceadddisk: - 3 new suspected memory leaks. Unreferenced object: 0xffff88800f420800 size 512: Command “modprobe”, PID...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: octeontx2-pf: Fixed the use of GFPKERNEL in atomic contexts for rt. The commit 4af1b64f80fb “octeontx2-pf: Fixed the lmtst ID used in aurafree” uses get/putcpu to protect the usage of percpu pointers in the -aurafreeptr...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Block: Do not delete a queue kobject before its child kobjects are deleted. Kobjects are not supposed to be deleted before their child kobjects are deleted. Apparently, this is usually harmless; however, a warning will be trigger...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: SOF: Intel: Fixed NULL pointer dereferencing when ENOMEM occurs. Do not call snddmafreepages when snddmaallocpages returns -ENOMEM, as this can lead to a NULL pointer dereferencing bug. The dmesg indicates the following:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rtc: pl031: Fixed the issue of null pointer dereferencing in RTC features. When there is no interrupt line, the RTC alarm feature is disabled. The clearing of the alarm feature bit was performed before allocating the ldata-rtc...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: removed two BUG functions from skbchecksumhelp. I have a syzbot report that managed to cause a crash in skbchecksumhelp. If syzbot can trigger these BUGs, it makes sense to replace them with more friendly WARNONONCE function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for a null pointer of the pointer substream before dereferencing it. The pointer substream is dereferenced during the assignment of the pointer to the card. Before checking if the substream is null using the macr...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ath9khtc: fixed potential out-of-bounds access due to an invalid rxstatus-rskeyix parameter. The rxstatus-rskeyix parameter is eventually passed to testbit, so we need to ensure that it is within the allowed range of the bitmap...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mediatek – Fixed error handling in mt8173max98090devprobe. Also, the call to nodeputplatformnode was added to avoid a reference count leak in the error path...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: irqchip/gic/realview: A refcount leak was fixed in realviewgicofinit. The function offindmatchingnodeandmatch returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Add a overflow check in sgxvalidateoffsetlength The sgxvalidateoffsetlength function verifies the "offset" and "length" arguments provided by the user space. However, there was a lack of an overflow check when these...