Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfc: llcp: fixed unsafe copies in nfcllcpsetsockopt syzbot reported unsafe calls to copyfromsockptr 1 Use copysafefromsockptr instead. 1 BUG: KASAN: out-of-bounds access in copyfromsockptroffset include/linux/sockptr.h:49 inli...

PT-2025-9003

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.13.0-rc3 Description A potential issue has been identified in the Linux kernel related to the ax25 protocol. The problem arises from a possible circular locking dependency detected between rtnl mutex and sk...

Important: kernel

Issue Overview: A vulnerability, which was classified as problematic, was found in Linux Kernel. This affects the function tcpgetsockopt/tcpsetsockopt of the component TCP Handler. The manipulation leads to race condition. It is recommended to apply a patch to fix this issue. The identifier...

Important: kernel

Issue Overview: A vulnerability, which was classified as problematic, was found in Linux Kernel. This affects the function tcpgetsockopt/tcpsetsockopt of the component TCP Handler. The manipulation leads to race condition. It is recommended to apply a patch to fix this issue. The identifier...

The vulnerability of the smc_setsockopt function in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the smcsetsockopt function in the Linux operating system’s kernel is related to the assignment of a null pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2021-4442

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro changes RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNONE,...

CVE-2021-4442

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro changes RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNONE,...

CVE-2021-4442 tcp: add sanity tests to TCP_QUEUE_SEQ

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro changes RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNONE,...

CVE-2021-4442

CVE-2021-4442 – The Linux kernel TCP stack vulnerability described as: a syzkaller repro could cause RCV_SEQ to be advanced after data restoration in the receive queue, enabling an out-of-order or invalid sequence handling when TCP_QUEUE_SEQ is used on non-empty queues. The connected documents (A...

kernel: netfilter: validate user input for expected length

CVE-2024-35896 is a vulnerability in the Linux kernel's Netfilter component, where the setsockopt function fails to properly validate the length of user-supplied data before copying it into kernel space. This oversight can lead to out-of-bounds memory access, potentially causing system crashes or...

kernel: netfilter: validate user input for expected length

CVE-2024-35896 is a vulnerability in the Linux kernel's Netfilter component, where the setsockopt function fails to properly validate the length of user-supplied data before copying it into kernel space. This oversight can lead to out-of-bounds memory access, potentially causing system crashes or...

kernel: netfilter: validate user input for expected length

CVE-2024-35896 is a vulnerability in the Linux kernel's Netfilter component, where the setsockopt function fails to properly validate the length of user-supplied data before copying it into kernel space. This oversight can lead to out-of-bounds memory access, potentially causing system crashes or...

kernel: netfilter: validate user input for expected length

CVE-2024-35896 is a vulnerability in the Linux kernel's Netfilter component, where the setsockopt function fails to properly validate the length of user-supplied data before copying it into kernel space. This oversight can lead to out-of-bounds memory access, potentially causing system crashes or...

kernel: tls: fix missing memory barrier in tls_init

In the Linux kernel, the following vulnerability has been resolved: tls: fix missing memory barrier in tlsinit In tlsinit, a write memory barrier is missing, and store-store reordering may cause NULL dereference in tlssetsockopt,getsockopt. CPU0 CPU1 ----- ----- // In tlsinit // In tlsctxcreate c...

kernel: netfilter: validate user input for expected length

CVE-2024-35896 is a vulnerability in the Linux kernel's Netfilter component, where the setsockopt function fails to properly validate the length of user-supplied data before copying it into kernel space. This oversight can lead to out-of-bounds memory access, potentially causing system crashes or...

kernel: tls: fix missing memory barrier in tls_init

In the Linux kernel, the following vulnerability has been resolved: tls: fix missing memory barrier in tlsinit In tlsinit, a write memory barrier is missing, and store-store reordering may cause NULL dereference in tlssetsockopt,getsockopt. CPU0 CPU1 ----- ----- // In tlsinit // In tlsctxcreate c...

kernel: tls: fix missing memory barrier in tls_init

In the Linux kernel, the following vulnerability has been resolved: tls: fix missing memory barrier in tlsinit In tlsinit, a write memory barrier is missing, and store-store reordering may cause NULL dereference in tlssetsockopt,getsockopt. CPU0 CPU1 ----- ----- // In tlsinit // In tlsctxcreate c...

SUSE CVE-2021-47591

In the Linux kernel, the following vulnerability has been resolved: mptcp: remove tcp ulp setsockopt support TCPULP setsockopt cannot be used for mptcp because its already used internally to plumb subflow tcp sockets to the mptcp layer. syzbot managed to trigger a crash for mptcp connections that...

CVE-2022-48751

In the Linux kernel, the following vulnerability has been resolved: net/smc: Transitional solution for clcsock race issue We encountered a crash in smcsetsockopt and it is caused by accessing smc-clcsock after clcsock was released. BUG: kernel NULL pointer dereference, address: 0000000000000020 P...

DEBIAN-CVE-2022-48751

In the Linux kernel, the following vulnerability has been resolved: net/smc: Transitional solution for clcsock race issue We encountered a crash in smcsetsockopt and it is caused by accessing smc-clcsock after clcsock was released. BUG: kernel NULL pointer dereference, address: 0000000000000020 P...