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

A vulnerability was reported in the Open vSwitch sub-component of the Linux kernel. The flaw occurs when a recursive operation of the code push calls into the code block recursively. The OVS module does not validate the stack depth, causing too many frames to be pushed onto the stack, leading to ...

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

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Ensure visibility when inserting an element into tracingmap. Running the following two commands in parallel on a multi-processor AArch64 machine may occasionally generate an unexpected warning regarding duplicate...

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

In the Linux kernel, the following vulnerabilities have been resolved: xHCI: Properly handling isoc Babble and Buffer Overrun events. xHCI 4.9 explicitly prohibits making assumptions that the xHC has released its ownership of a multi-TRB TD when an error occurs in one of the early TRBs. However,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: fixed RELEASELOCKOWNER The test on socount in nfsd4releaselockowner is pointless and harmful. revert to using checkforlocks, and change it to not sleep. Firstly, it’s harmful. As documented in the kdoc comment for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Always initialize struct msghdr completely. syzbot reports that the value of msg-msggetinq may be uninitialized 1. The struct msghdr has many new fields recently. We should always ensure that their values are zero by...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Check the bearer type before calling tipcudpnlbeareradd syzbot reported the following general protection fault 1: General protection fault, likely for non-canonical address 0xdffffc0000000010: 0000 1 PREEMPT SMP KASAN...

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

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fixed stack corruption When tc filters are first added to a network device, the corresponding local port is bound to an ACL group within the device. This group contains a list of ACLs, and each ACL points ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: LoongArch: BPF: Prevent out-of-bounds memory access The testtag test triggers an unhandled page fault: ./testtag 130.640218 CPU 0 Unable to handle kernel paging request at virtual address ffff80001b898004, era ==...

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

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache There is a potential UAF scenario in the case of an LPI translation cache hit racing with an operation that invalidates the cache, such as a DISCARD ITS command...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: This issue prevents Oops exceptions in fscacheputcache. This function dereferences the “cache” object, and then checks whether it is ISERRORNULL. It checks first, and then derefs the object...

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

In the Linux kernel, the following vulnerability has been resolved: tomoyo: Fixed the UAF write bug in tomoyowritecontrol. Since tomoyowritecontrol updates head-writebuf when the write function is called for long lines, we need to retrieve head-writebuf after holding head-iosem. Otherwise,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: crypto: ccp – Fixed null pointer dereference in sevplatformshutdownlocked. The SEV platform device can be shut down with a null pspmaster, for example, by using DEBUGTESTDRIVERREMOVE. This issue was identified using KASAN:...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a double-free of blocks due to incorrect movedlen values during extent movements. In ext4moveextents, movedlen is updated only when all movements are successfully executed. It also discards preallocations for originod...

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

In the Linux kernel, the following vulnerability has been resolved: llc: Makes llcuisendmsg more robust against changes to bonding. syzbot was able to exploit llcuisendmsg, allocating a skb without sufficient headroom, and then attempting to append 14 bytes of Ethernet header information. Like...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Check whether hwpp is valid in dpuencoderhelperphyscleanup. The commit 8b45a26f2ba9 “drm/msm/dpu: Reserve CDM blocks for writeback in case of YUV output” introduced a warning about another conditional block in...

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

In the Linux kernel, the following vulnerability has been resolved: dm-crypt: Do not modify the data when using authenticated encryption. It was stated that authenticated encryption could produce invalid tags when the data being encrypted was modified 1. Therefore, this issue can be addressed by...

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

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fixed a race condition between netvscprobe and netvscremove. In commit ac5047671758 “hvnetvsc: Disabling NAPI before closing the VMBus channel”, napidisable was called for all channels, including all subchannels, withou...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: lan966x: A crash occurs when adding an interface under a “lag” condition. A crash occurs when adding one of the lan966x interfaces under a “lag” condition. The issue can be reproduced as follows: bash ip link add name bond0 type...

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

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed a double-free on the socket destructor function When an MPTCP server accepts an incoming connection, it clones its listener socket. However, the pointer to ‘inetopt’ for the new socket has the same value as the...

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: btrfs: In the “send” operation, there is a issue with handling path ref underflow during the header iterate inoderef function. Change BUGON to proper error handling if building the path buffer fails. The pointers are not...