Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In loopsetstatusfrominfo, the checks for lo-looffset and lo-losizelimit should be performed before reassigning them. This is because if an overflow error occurs, the original correct value will be changed to the wrong value, and ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/irdma: The Cap MSIX used to online CPUs + 1 The irdma driver can use a maximum number of msix vectors equal to numonlinecpus + 1. If this number is exceeded, the kernel will issue a warning. The kernel issues a warning wh...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: btrfssetheadergeneration must not be moved to after cleantreeblock, because cleantreeblock calls btrfsheadergeneration from commit 55c69072d6bd5be1 “Btrfs: Fix extentbuffer usage when nodesize != leafsize”. In...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: Message: mptlan: Fixed a use-after-free bug in mptlanremove, due to a race condition. In mptlanprobe, mptregisterlandevice is called, which initializes the &priv-postbucketstask workqueue. A call to...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SMB3: Added missing locks to protect the deferred close file list. The cifsdeldeferredclose function has a critical section that modifies the deferred close file list. We must acquire the deferredlock before calling the...

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

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a deadlock issue when converting an inline directory in nojournal mode. In nojournal mode, ext4finishconvertinlinedir can cause a self-deadlock by calling ext4handledirtydirblock after having already taken the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Do not leak netobj memory when gssreadproxyverf fails...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialize rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported a divide-by-zero issue in tcpselectWindow for MPTCP sockets. 0 We had a similar issue with bare TCP and fixed it in commit 499350a5a6...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Optimize clearing the pending PMI and remove WARNON for PMI check in powerpmudisable commit 2c9ac51b850d "powerpc/perf: Fix PMU callbacks to clear pending PMI before resetting an overflown PMC" added a new function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: crypto: arm64/poly1305 – fixed a read out-of-bound issue. A KASAN error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neonpoly1305blocks.constprop.0+0x1b4/0x250 poly1305neon Read of size 4 at addr...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: fix NULL pointer dereference in iwlpcieirqrxmsixhandler rxq can only be NULL when transpcie-rxq is NULL and entry-entry is zero. In cases where entry-entry is not equal to 0, rxq will not be NULL, even if...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed an oops during encryption When running xfstests against Azure, the following oops occurred on an arm64 system: Unable to handle kernel writes to read-only memory at virtual address ffff0001221cf000 Mem abort info:...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: brwifimac – Fixed a potential memory leak in brwifinetdevstartxmit. The function brwifinetdevstartxmit returns NETDEVTXOK without freeing the skb variable, especially when pskbexpandhead fails. This issue was addressed by...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: loop: Fixed use-after-free issues The doreqfilebacked function calls blkmqcompleterequest synchronously or asynchronously when using asynchronous I/O, unless memory allocation fails. Therefore, modify loophandlecmd so that it...

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: md/raid10: Prevent soft lockup during flush writes. Currently, there is no limit for plugged bio in raid1/raid10. During flush writes, raid1 uses condresched, while raid10 does not. Too many writes can cause a soft lockup. A...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bonding: Do not assume that the skbmacheader is set. Drivers must not assume in their ndostartxmit function that skbs have their macheader set. skb-data is all that is needed. bonding seems to be one of the last vulnerabilitie...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Check for the NOTREADY flag state after locking Currently, the check for the NOTREADY flag is performed before obtaining the necessary lock. This creates a possibility for race conditions when the flow is concurrently...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel’s implementation of string matching within packets. A privileged user with root or CAPNETADMIN status can insert rules into iptables, and this action may cause the system to panic. The issue affects kernels prior to version 5.5-rc1...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: Fix memory leak in netlblcipsov4addstd Reported by syzkaller: BUG: Memory leak Unreferenced object: 0xffff888105df7000 size 64 Process: “syz-executor842”, PID: 360, Jiffies: 4294824824 Age: 22.546 seconds Hex dump firs...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: USB: Fixed various gadgets’ null pointer dereferencing issues during 10Gbps networking scenarios. This issue was addressed by simply reusing the 5Gbps configuration for 10Gbps connections, thereby avoiding null pointer dereferenc...