Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/fixmap: Fixed the VM debug warning when unmapping a fixmap entry. The unmapping of a fixmap entry is performed by calling setfixmap, with FIXMAPPAGECLEAR as the flag. Currently, powerpc setfixmap calls mapkernelpage...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bootmem: The vmemmap pages are removed from kmemleak when freeing the page. These pages were previously marked as part of kmemleak when allocated from a memblock. Removing them from kmemleak ensures that errors related to thes...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the potential null dereference issue. The adev-dm.dc pointer can be NULL, and it may be dereferenced in amdgpudmfini without any checks. A NULL pointer check should be added before calling dcdmubsrvdestroy...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables – A possible module reference underflow in the error path. The dst-ops field is set when nftexprclone fails, but the module reference count has not been updated yet. As a result, nftexprdestroy causes a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Fixed the refcount leak in armsmmudevice when armsmmurpmget fails. The armsmmurpmget function invokes pmruntimegetsync, which increases the refcount of “smmu”. This occurs even though the return value is less than...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: greybus: uart: fixed the issue where tty was used after it was freed. The user space can keep a tty open indefinitely, and tty drivers must not release the underlying structures until the last user has left. We have...

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: soc: qcom: qmiencdec: Restrict string length in decode The QMI TLV value for strings in many qmi element information structures accounts for null-terminated strings with a length of MAXLEN + 1. If a string actually has a length o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Ice: Avoid bpfprog refcount underflow The Ice driver includes routines for managing XDP resources that are shared between the ndobpf operation and the VSI rebuild flow. The latter occurs, for example, when the user changes the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: jbd2: Check ‘jh-btransaction’ before removing it from the checkpoint. The following process will corrupt the ext4 image: Step 1: jbd2journalcommittransaction jbd2journalinsertcheckpointjh, committransaction // Place jh into...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iomap: added protection against concurrent truncate and underflow operations. iomap: fixed the issue where zero-padding occurred during concurrent append writes. The accounting of ioend was changed so that iosize only tracks...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: fixed a null dereference issue in the parse of dev addr operation. A logical error was addressed, which could lead to a null dereference if the mode is set incorrectly for the given addr type...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: prevents stack overflow in mlxbfi2csmbusstartTransaction The memcpy function is called in a loop, without checking the upper bound of 'operation-length', and 'dataidx' is also incremented...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fixed the handling of late hrtimer events. Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our current handling of hrtimer is incorrect. If the timer fires late—for example, due to vCPU...

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: drm/msm/mdp5: Do not leak some plane state. Apparently, no one noticed that the mdp5 plane states are being leaked quite severely. This issue was addressed since we introduced the planestate-commit refcount mechanism a few years...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the “block” section, there’s a issue where rq and qos structures are released without the disk being handled first. The blkcginitqueue function may add these structures to the request queue. Previously, the blkcleanupqueue...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath9k: Fixed a potential array-index-out-of-bounds read in ath9khtctxstatus. The bug occurs when txs-cnt—data from a URB provided by a USB device—is larger than the size of the array txs-txstatus, which is HTCMAXTXSTATUS...

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

In the Linux kernel, the following vulnerability has been resolved: ubi: A possible null-ptr-deref occurred in ubifreevolume. This issue will occur in the following scenario: uifinit ubiaddvolume cdevadd – If this function fails, it will call killvolumes. deviceregister killvolumes – If...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element during updates, before locking the target hash table bucket. Immediately afterwards, the maps attempt to lock the bucke...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed a possible crash in bnxthwrmsetcoal During the error recovery sequence, the rtnllock is not held for the entire duration, and some data structures may be freed during this process. Instead of checking netifrunning,...

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: clk: qcom: gcc-ipq8074: fix terminating of frequency table arrays The frequency table arrays are supposed to be terminated with an empty element. Add such an entry to the end of the arrays where it is missing, in order to avoid...