Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: Ensure that exp remains active before calling svcexportshow. The function eshow was called with protection from RCU. This only ensures that exp will not be freed. As a result, the reference count of exp can drop to zero,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Handling of errors when calling otx2mboxgetrsp in otx2flows.c has been improved. A check for the error pointer was added after calling otx2mboxgetrsp...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: gve: Clearing napi-skb before devkfreeskbany In gverxfreeskb, napi-skb is incorrectly left referencing an skb after it is freed using devkfreeskbany. This can result in a subsequent call to napigetfrags returning a dangling...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fixed a segmentation fault in rxecompqueuepkt. In rxecompqueuepkt, an incoming response packet is enqueued into the resppkts queue. Then, it is decided whether to run the completer task inline or schedule it. Finally, t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Block, bfq: Fixed a possible UAF issue for bfqq-bic when using the merge chain. 1 Initial state: Three tasks: - Process 1 Process 2 Process 3 - BIC1 BIC2 BIC3 | Λ | Λ | Λ | | | | | V | V | V bfqq1 bfqq2 bfqq3 Process reference...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64: asm-bug: Add .align 2 to the end of BUGENTRY. When CONFIGDEBUGBUGVERBOSE=n, we fail to add the necessary padding bytes to the bugtable entries. As a result, the last entry in a bug table will be ignored, potentially leadin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-pci: added a missing condition check for the existence of the mapped data. The function nvmemapdata is called when the request contains physical segments; therefore, the function nvmeunmapdata should also have the same...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Handling of errors when calling otx2mboxgetrsp in otx2dmacflt.c has been improved. A check for an error pointer was added after calling otx2mboxgetrsp...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: error out earlier on disconnect Eric reported a division by zero error in the MPTCP protocol: Oops: divide error: 0000 1 PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6094 Comm: syz-executor317 Not tainted...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/bhi: Avoid warnings in the DB handler due to BHI mitigation When BHI mitigation is enabled, if SYSENTER is invoked with the TF flag set, then entrySYSENTERcompat uses CLEARBRANCHHISTORY and calls clearbhbloop before the TF fl...

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: Wifi: ath11k: fixed out-of-bounds access to the array in SoC stats Currently, the ath11ksocdpstats::halreoerror array is defined with a maximum size of DPREODSTRINGMAX. However, the function ath11kdpprocessrx accesses...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfs: Fixed the KMSAN warning in decodegetfattr attrs. Fixed the following KMSAN warnings: CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B Tainted: B=BADPAGE Hardware name: QEMU Standard PC Q35 + ICH9, 2009...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed the signedness bug in sdmav40processtrapirq The “instance” variable needs to be signed for error handling to work properly...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Fixed a use-after-free in the kernel socket during the cleanupbearer function. syzkaller reported a use-after-free of the UDP kernel socket in cleanupbearer. This issue occurred without any reprovisioning. When the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: seg6: Fixed parameter passing when calling NFHOOK in the End.DX4 and End.DX6 behaviors. The functions inputactionenddx4 and inputactionenddx6 call NFHOOK for the PREROUTING hook. During the PREROUTING hook, a valid indev and a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed the use-after-free of rsvqp on HIP08. Currently, rsvqp is freed before the ibunregisterdevice function is called on HIP08. During this time interval, users can still deregister MR, and rsvqp will be used in this...

Astra Linux - Vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Ensure the copied buffer is NUL-terminated Currently, we allocate a kernel buffer of size count and copy count from userspace into that buffer. Later, we use kstrtouint on this buffer, but we do not ensure that the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Added architecture-specific hugepteclear function. When executing mm selftests and running vmtest.sh, the following error occurs: BUG: Incorrect page state in process uffd-unit-tests. Pfn: 00000; Page: refcount: 0;...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: PCI/DPC: Fixed a use-after-free issue when a DPC event occurs concurrently with hot-removal of the same portion of the hierarchy. Keith reported a use-after-free when a DPC event occurred concurrently with the hot-removal of t...