Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Command completion occurred prematurely during the lock phase. A crash was observed when performing NPIV and FW reset. BUG: Kernel NULL pointer dereferencing, address: 000000000000001c PF: Supervisor read access...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port-lock when calling uarthandlectschange The uarthandlectschange function must be called with the port locked. Since we execute it in a separate thread, the lock might not be acquired at the time of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/hns: Fixed the use of spinunlockirqrestore, which is called with IRQs enabled. Fixed incorrect use of spinlockirq/spinunlockirq when spinlockirqsave/spinlockirqrestore was held. This issue was discovered through lock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Lock wiphy in cfg80211getstation Wiphy should be locked before calling rdevgetstation see the lockdep assertion in ieee80211getstation. This fix resolves the following kernel NULL dereference: Unable to handle a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Prevent UAF in proccpusetshow A UAF can occur when reading /proc/cpuset, as reported in 1. This issue can be reproduced using the following methods: 1. Add an mdelay1000 before acquiring the cgrouplock in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dma-buf/sw-sync: Do not enable IRQ from syncprintobj. Since the commit a6aa8fca4d79 “dma-buf/sw-sync: Reduce irqsave/irqrestore from known context”, an error occurred where spinunlockirqrestore was replaced with spinunlockirq for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed an issue related to “slab-use-after-free” in ksmbdsmb2sessioncreate. There is a race condition between ksmbdsmb2sessioncreate and ksmbdexpiresession. This patch adds the necessary sessionstablelock during the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the issue where a memory leak occurred after the session was logged off. There is an issue with the interaction between SMB2 session logging out and SMB2 session setup. This issue causes a memory leak after the sessi...

Astra Linux – Vulnerability in xorg-server

In the X.Org X Server versions 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by the input thread without acquiring a lock, which is known as a race condition. Specifically, the AttachDevice function in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the race condition issue caused by session lookup and expiration. The session reference count was incremented within the lock during the lookup operation, thereby avoiding the race condition related to session...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Consider the return from setmemoryro when using bpfproglockro setmemoryro may fail, leaving memory unprotected. Consider this return value as an error...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fixed an issue that covered the reserve,releasecompressblocks function with the cprwsem lock. This fix is necessary to avoid race conditions with the checkpoint mechanism. Otherwise, filesystem metadata, including...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not create EA inodes under the buffer lock The ext4xattrsetentry function creates new EA inodes while holding the buffer lock on the external xattr block. This is problematic because all allocation-related locking...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: dwc3: core: Remove the lock of the OTG mode during gadget suspension/resumption to avoid deadlock. When the CONFIGUSBDWC3DUALROLE configuration is selected, and the system is triggered to enter suspension using the following...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fixed AUX buffer serialization. Ole reported that the event-mmapmutex is strictly insufficient to serialize the AUX buffer. To serialize it properly, a per-RB mutex should be added...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dma-debug: fixed a possible deadlock in radixlock. The radixlock function should not be held while holding dmahashentryidx.lock. Otherwise, a deadlock scenario may occur when the dma debug API is called while holding rqlock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Do not call foliowaitwriteback without a folio reference. foliowaitwriteback requires that no spinlocks are held and that a folio reference is held, as documented. After we removed the PTL, the folio object could be free...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Fixed deadlock with the SPI chip variant When SMP is enabled and spinlocks are actually functional, there is a deadlock with the ‘statelock’ spinlock between ks8851startxmitspi and ks8851irq: Watchdog: BUG: Soft lock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath10k – Fixed a memory leak in the management TX operation. In the current logic, memory is allocated for storing the MSDU context during the management packet TX operation. However, this memory is not freed after the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...