Astra Linux – Vulnerability in Linux, Linux 5.10

A memory leak issue was discovered in the TCP source port generation algorithm in the net/ipv4/tcp.c file, due to the small table perturb size. This flaw may allow an attacker to leak information and may cause a denial of service problem...

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

In the Linux kernel, the following vulnerabilities have been resolved: tun: limits the printing rate when an illegal packet is received by the tun device. vhostworker calls tun callbacks to receive packets. If too many illegal packets arrive, tundoread continues to dump the packet contents. When...

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: Bluetooth: Fixed a potential use-after-free when using clear keys. Similar to the commit c5d2b6fa26b5 "Bluetooth: Fixed a use-after-free in hciremoveltk/hciremoveirk". We cannot access the variable k after the kfreercu call...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: A potential array overflow has been fixed in bpftrampolinegetprogs. The cnt value in the cnt = BPFMAXTRAMPPROGS check does not include BPFTRAMPMODIFYRETURN bpf programs. As a result, the number of BPFTRAMPMODIFYRETURN bpf...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: pinctrl: ralink: Check for a null return from devmkcalloc. Due to the potential failure of the allocation, data-domains might be a NULL pointer, and this could lead to the dereferencing of a NULL pointer later. Therefore, it migh...

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

In the Linux kernel, the following vulnerability has been resolved: ceph: fixed a deadlock or deadcode issue caused by misuse of dget. The lock order between denty and its parent is incorrect; we should always ensure that the parent gets the lock first. However, since this deadcode is never used,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed the bug in ext4mbuse inodepa. Hulk Robot reported a BUGON: kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Call Trace: ext4mbnewblocks+0x9df/0x5d30...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: fix leak of memory fw...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: sfc: fixed the issue where all channels had TX queues. Normally, all channels have both RX and TX queues. However, this is not true when modparam efxseparatetxchannels=1 is used. In such cases, some channels only have RX queue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: spi-fsl-qspi: check return value after calling platformgetresourcebyname This issue could lead to a null-ptr-deref error if platformgetresourcebyname returns NULL. Therefore, we need to check the return value...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: smb/client: fixed a memory leak in smb2openfile Reproducing steps: 1. Server: Directories are exported as read-only. 2. Client: mount -t cifs //$serverip/export /mnt. 3. Client: dd if=/dev/zero of=/mnt/file bs=512 count=1000...

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 code 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 over t...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: This issue prevents shift wrapping in the setusersqsize function. The ucmd-logsqbbcount variable is controlled by the user, which means that the shift operation can cause wrapping. This issue can be fixed by using...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm raid: fixed the address sanitizer warning in raidstatus. This warning occurs when using a kernel with address sanitizer and running this testsuite: https://gitlab.com/cki-project/kernel-tests/-/tree/main/storage/swraid/scsirai...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed incorrect reg type conversion in releasereference Some helper functions will allocate memory. To avoid memory leaks, the verifier requires the eBPF program to release this memory by calling the corresponding helper...

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

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fixed a NULL pointer issue in the channel unregistration function. The dmaasyncdevicechannelregister function may fail. In the event of a failure, chan-local is freed with freepercpu, and chan-local becomes null. When...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: dm: fixed a NULL pointer race issue when completing IO operations. The dmiodecpending function calls endioacct first, and then decreases the number of pending DMA operations. However, if a task swaps the DM table at the same...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iommu: Fixed potential use-after-free during probe KASAN has reported the following use-after-free in dev-iommu: When a device probe fails and the dev-iommu is being freed. In the deviommufree function, deferredprobeworkfunc...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: wifi: mt76: replace skbput with skbputzero Avoid potentially reusing uninitialized data...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: dbg-tlv: Ensure NUL termination The iwlfwiunidebuginfotlv is used as a string; therefore, we must ensure that the string is terminated correctly before using it...