Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfc: virtualncidev: Fixed a memory leak in virtualncisend The skb object should be freed in virtualncisend; otherwise, kmemleak will report a memleak. Steps for reproduction simulated in qemu: cd tools/testing/selftests/nci make...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: linux/dim: Fixed a division by zero error in RDMA DIM. Fixed a division by zero error in rdmadimstatscompare, when prev-cperatio == 0. CallTrace: Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020 Task:...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8, 7.17, and 7.0 contain AppArmor SAUCE patches that, under certain circumstances, may use an uninitialized variable in notification handling code. This bug can be triggered by a non-privileged local user, and it can lead to incorrect caching of AppArmor notification responses...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protection against send buffer overflow in NFSv2 READ Since the time before the advent of Git, NFSD has managed the number of pages held by each nfsd thread by combining the RPC receive and send buffers into a single array ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm btree remove: fixed the use of a function after the free operation in rebalancechildren. - Moved the dmtmunlock function to after dmtmdec...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: A possible memory leak has been fixed in stmmacdvrprobe. The bitmapfree function should be called to release priv-afxdpzcqps when createsinglethreadworkqueue fails. Otherwise, a memory leak will occur. Therefore, we...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw was discovered in the Linux kernel’s implementation of Pressure Stall Information. Although this feature is disabled by default, it could allow an attacker to crash the system or cause other memory-corruption side effects...

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

A use-after-free flaw was discovered in hfsplusputsuper in fs/hfsplus/super.c within the Linux kernel. This flaw could allow a local user to cause a denial of service problem...

Astra Linux – Vulnerability in Python-Django

A issue was discovered in Django 5.0 before 5.0.8 and 4.2 before 4.2.15. The urlize and urlizetrunc template filters are vulnerable to a denial-of-service attack due to very large inputs containing a specific sequence of characters...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file via sftp using vsock, the data size is usually 32 kB. In such cases, kmalloc seems to fail when attempting to allocate 32 32 kB regions. vhost-5837...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix memory leak when blob is malformed The bug fix was incomplete; it “replaced” a crash with a memory leak. The old code contained an assignment to ret embedded within a conditional statement; this has been...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8 includes AppArmor patches that fail to properly acquire a lock when modifying a linked list. An unprivileged local user could exploit this race condition, leading to a Use-After-Free UAF error, and, theoretically, arbitrary code execution...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A NULL pointer dereference flaw was discovered in vmxnet3rqcleanup in drivers/net/vmxnet3/vmxnet3drv.c within the networking sub-component of vmxnet3 in the Linux Kernel. This issue may allow a local attacker with normal user privileges to cause a denial of service due to a missing sanity check...

Astra Linux – Vulnerability in Linux

A issue was discovered in netfilter within the Linux kernel before version 5.10. There may be a use-after-free situation in the packet processing context, as the per-CPU sequence count is mishandled during concurrent iptables rule replacements. This vulnerability could be exploited with the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fixed a memory leak in vhciwrite Syzkaller reported a memory leak as follows: ==================================== BUG: Memory leak Unreferenced object 0xffff88810d81ac00 size 240: ... Hex dump first 32 bytes: 0...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

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 – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: ti: edma: Added some null pointer checks to the edmaprobe. The devmkasprintf function returns a pointer to dynamically allocated memory, which may be NULL in case of failure. Ensure that the allocation was successfu...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/smc: A NULL pointer dereferencing issue was addressed in smcpnetfindib. The devname function was called with dev.parent as an argument, but without performing a NULL-check before using it. This issue was resolved by checking...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Input: iforce – invert the valid length check when fetching device IDs. syzbot is reporting an uninitialized value at iforceinitdevice 1. The commit 6ac0aec6b0a6 “Input: iforce – allow callers to supply a data buffer when fetchin...