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

In the Linux kernel, the following vulnerabilities have been resolved: Tunnels: Fixed an out-of-bounds access issue when building IPv6 PMTU errors. If the ICMPv6 error is generated using a non-linear skb, the following issues occur: BUG: KASAN: Out-of-bounds access in docsum+0x220/0x240 Reading o...

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

In the Linux kernel, the following vulnerability has been resolved: afs: Increase the buffer size in afsupdatevolumestatus. The maximum length of the volume-vid value is 20 characters. Therefore, increase the size of idbuf to 24 to avoid overflow. Found by the Linux Verification Center...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

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

In the Linux kernel, the following vulnerability has been resolved: arp: Prevent overflow in arpreqget. Syzkaller reported an overflow during the write operation in arpreqget. 0 When the ioctlSIOCGARP function is called, arpreqget retrieves a neighbor entry and copies neigh-ha to struct...

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: Bluetooth: Fixed a memory leak in hcireqsyncComplete In the function hcireqsyncComplete, always free the previous sync request state before assigning a reference to a new one...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: A NULL pointer dereference issue was fixed in hnsrocemapmrsg. The function ibmapmrsg allows ULPs to specify NULL as the sgoffset argument. The driver needs to check whether the argument is a NULL pointer before...

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

A speculative race condition SRC vulnerability that affects modern CPU architectures supporting speculative execution related to Spectre V1 has been disclosed. An unauthenticated attacker can exploit this vulnerability to disclose arbitrary data from the CPU using race conditions to access the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

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

A issue was discovered in the driver/mtd/ubi/cdev.c file within the Linux kernel 6.2. There is a division-by-zero error in the dodivsz, mtd-erasesize function, which is indirectly used by ctrlcdevioctl, when mtd-erasesize is 0...

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

In the Linux kernel, the following vulnerability has been resolved: s390/ap: Fixed a crash in the AP internal function modifybitmap A system crash occurred as follows: Failure address: 200000cb7df6f000 TEID: 200000cb7df6f403 Fault occurred in the home space mode while using the kernel ASCE...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6nhinit syzbot reminds us that in6devget can return NULL. fib6nhinit ip6validategw &idev ip6routechecknh idev idev = in6devgetdev; // can be NULL Oops: general protection fault, probably fo...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networks: Ethernet; mtkethsoc: fixed the issue of PPE hanging. A patch to resolve this issue was found in MediaTek’s GPL-licensed SDK. In the mtkppestop function, the PPE scan mode is not disabled before disabling the PPE. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netlink: added nla be16/32 types to the minlen array BUGs: KMSAN: uninit-value in nlavalidaterangeunsigned, lib/nlattr.c:222 inline BUGs: KMSAN: uninit-value in nlavalidateintrange, lib/nlattr.c:336 inline BUGs: KMSAN:...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the session ID and tree ID in compound requests. The function smb2getmsg in smb2getksmbdtcon and smb2checkusersession always returns the first command in a compound request’s headers. If SMB2TREECONNECTHE is the...

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 found in Linux 5.10, Linux 5.15

In the Linux kernel before version 6.0.3, the file drivers/gpu/drm/virtio/virtgpuobject.c misinterprets the return value of drmgemshmemgetsgtable. It expects the value to be NULL in the error case, but in reality, it is an error pointer...

Astra Linux – Vulnerability in Qemu

A heap buffer overflow was discovered in the floppy disk emulator of QEMU up to version 6.0.0 inclusive. This issue could occur in the fdctrltransferhandler function in the hw/block/fdc.c file, during the processing of DMA read data transfers from the floppy drive to the guest system. A privilege...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the vhost-vsock device of QEMU. In the event of an error, an invalid element was not detached from the virtqueue before freeing its memory, resulting in memory leakage and other unexpected issues. This issue affects QEMU versions up to 6.2.0...

Astra Linux – Vulnerability in Linux

In the IPv6 implementation in the Linux kernel before 5.13.3, the net/ipv6/outputcore.c file has an information leak due to certain uses of a hash table. This hash table is large, but it does not properly take into account that IPv6-based attackers can typically choose from many IPv6 source...