Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: md: The mdstopwrites function is called in mdstop. From the link 1, we can see that raid1d was still running even after the path raiddtr - mdstop - mdstop. Let’s stop writing data first in the destructor, to align with the normal...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfrm: Policy issue: Fixing the metadata dst-dev xmit null pointer dereference. When we attempt to transmit an skb with metadatadst attached i.e., dst-dev == NULL through the xfrm interface, we may encounter a null pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Do not allow CHAINID to refer to another table. When performing lookups for chains within the same batch using their IDs, a chain from a different table can be utilized. If a rule is added to a table but refe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/sun4i: dsi: Prevent underflow when calculating packet sizes. Currently, the packet overhead is subtracted using unsigned arithmetic. With a short sync pulse, this could lead to an underflow, causing the value to wrap around t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - In fuse: Access to the “folio” field was blocked due to an overflow issue. - syz reported a slab-out-of-bounds Write operation in fusedevdowrite. When the number of bytes to be retrieved is truncated to the upper limit by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Limit packet length to skb-len The packet length retrieved from skb data may be larger than the actual socket buffer length up to 9026 bytes. In such cases, the cloned skb passed through the network stack may...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: tunnels: Annotations were added for lockless accesses to dev-neededheadroom. IP tunnels can apparently update dev-neededheadroom during their xmit path. This patch addresses issues related to three types of tunnels xmit, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: zlib: fix the folio leak on S390 hardware acceleration BUG After committing aa60fe12b4f4 “btrfs: zlib: refactor S390x HW acceleration buffer preparation”, we no longer release the folio of the page cache of the folio...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tty: Fixed an out-of-bound access to vmalloc in imageblit. This issue occurs when a user-space program calls ioctl FBIOPUTVSCREENINFO, passing the fbvarscreeninfo structure containing only the fields xres, yres, and bitsperpixel...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Avoid running off the end of an AMD erratum table. The NULL array terminator at the end of erratum1386microcode was removed during the switch from x86cpudesc to x86cpuid. This causes readers to run off the end of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: a race between writeprotect and exitmmap has been fixed. A race may occur when a process exits; its virtual memory addresses are removed by exitmmap, and at the same time, userfaultfdwriteprotect is called. This race...

Astra Linux – Vulnerability in Linux, Linux 5.10

A heap buffer overflow flaw was discovered in the IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with normal user privileges to overwrite kernel heap objects and may lead to a local privilege escalation attack...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ARP: Do not assume that devhardheader does not change skb-head. arpcreate is the only function that calls devhardheader, and it makes the assumption that skb-head remains unchanged. A recent commit broke this assumption. The @arp...

Astra Linux – Vulnerability in Linux 5.10, Linux

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Error checking was added to ext4extreplaysetiblocks. If the call to ext4mapblocks fails due to a corrupted file system, ext4extreplaysetiblocks may get stuck in an infinite loop. This issue can be reproduced by running...

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: The TID is decremented during error handling for RX peer frag setup. Currently, the TID is not decremented before peer cleanup, during the error handling phase of the ath12kdprxpeerfragsetup function. This could lea...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph parselongname: strrchr expects a NUL-terminated string … And parselongname does not guarantee this. That’s why it uses kmemdupnul to create an NUL-terminated string for the argument passed to kstrtou64; The problem is that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: Fix for statistics allocation. The controller per-cpu statistics is not allocated until after the controller has been registered with the driver core. This creates a window during which accessing the sysfs attributes may lea...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the bpf and arm64 architectures, there is a vulnerability where forcing an 8-byte alignment for the JIT buffer can prevent atomic tearing. The struct bpfplt structure contains a u64 target field. Currently, the BPF JIT allocat...