Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1, Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: TLS: Fixed a race condition between the async notify and socket close operations. The thread that submitted the request the one that called recvmsg/sendmsg may exit as soon as the async crypto handler’s complete function is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tls: Purged asynchold from tlsdecryptwait The asynchold queue retains encrypted input data while the AEAD engine references their scatterlist data. Once tlsdecryptwait returns, all AEAD operations are completed, and the engine no...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: esp: fixed the skb leak that occurred with espintcp and async crypto. When the TX queue for espintcp is full, espoutputtailtcp will return an error and not free the skb. This is because, with synchronous crypto, the common xfrm...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Driver Core: Fixed a potential deadlock in driverattach. In the driverattach function, there is also an AA deadlock issue, similar to the commit b232b02bf3c2 "Driver Core: Fix Deadlock in deviceattach". The stack trace is as...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Driver core: Fixed a deadlock in deviceattach. In the deviceattach function, the lock-holding logic is as follows: … deviceattach devicelockdev // Get the lock for dev asyncscheduledevdeviceattachasynchelper, dev; // Function cal...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a possible memory leak in smb2lock. argv needs to be freed when setupasyncwork fails, or when the current process is awakened...

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

In the Linux kernel, the following vulnerability has been resolved: drm: Do not accidentally unreference the same framebuffer multiple times due to deadlock handling. If a deadlock occurs after the fb lookup in drmmodepageflipioctl, we proceed to unreference the fb and then retry the entire proce...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: Always flush the async PF workqueue when a vCPU is being destroyed. Whenever a vCPU clears its completion queue, i.e., when a VM and all its vCPUs are being destroyed, the async PF workqueue must always be flushed. KVM must...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: algifaead – Snapshot of the IV for async AEAD requests Currently, AFALG AEAD AIO requests use a socket-wide IV buffer during request processing. For async requests, subsequent socket activities may update that shared stat...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in QEMU. The async nature of hot-unplug allows for a race condition, where the net device backend is cleared before the virtio-net PCI frontend is unplugged. A malicious guest could exploit this time window to trigger an assertion and cause a denial of service...

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

In the Linux kernel, the following vulnerability has been resolved: media: tc358743 – The v4l2 async device is registered only after a successful setup. Ensure that the device has been set up correctly before registering the v4l2 async device, thereby allowing userspace to access it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: The reference to cephstring should be placed correctly after the asynccreate attempt. The reference obtained by tryprepasynccreate is currently being leaked. Ensure that we place this reference correctly...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Cleanup of potential nfsdfile refcount leaks in the COPY code path. There are two different versions of the nfsd4copy structure. One is embedded within the compound structure and is used directly in synchronous copies. T...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a potential bug in endbufferasyncwrite According to a syzbot report, endbufferasyncwrite, which handles the completion of block device writes, may detect abnormal conditions of the asyncwrite flag and cause a BUGON...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1, Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: TLS: Fixed a race condition between TX work scheduling and socket closure. Similar to previous commits, the submitting thread recvmsg/sendmsg may exit as soon as the async crypto handler’s call completes. Reordering the...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The commit mutex should not be released during the critical section between nftgcseqBegin and nftgcseqEnd. Otherwise, the async GC worker could collect expired objects and obtain the released commit lock with...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ceph: Fix for inlink underrunning during async unlink During async unlink, we decrement the inlink counter before receiving the completion signal which will eventually update inlink. This is done because “we assume that the unlin...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed an issue where asyncfreespace accounting for empty parcels was incorrect. In version 4.13, commit 74310e06be4d “android:binder: Move buffer out of area shared with user space” fixed a issue related to the visibility...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fixed a possible use-after-free in the async command interface The mlx5cmdcleanupasyncctx function should only return after all its callback handlers are completed. Before this patch, there was a race between...

Astra Linux – Vulnerability in Xen

x86: TSX Async Abort protections are not restored after S3. This issue relates to the TSX Async Abort speculative security vulnerability. For more details, please refer to https://xenbits.xen.org/xsa/advisory-305.html. To mitigate TAA by disabling TSX the default and preferred option, it is...