Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Updates the kcb status flag after single-stepping. The kprobes function is fixed to update the kcb kprobes control block status flag to KPROBEHITSSDONE, even if the kp-posthandler is not set. This bug may cause a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: toshsd: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, the memory allocated in mmcallochost will be leaked, leading to a kernel crash due to the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the bpfxdpstorebytes proto for read-only arguments. While making some maps in Cilium read-only from the BPF side, we noticed that the bpfxdpstorebytes proto is incorrect. In particular, the verifier threw the following...

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

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: at91: Fixed possible out-of-boundary access issues The at91gpioprobe function does not check whether the given OF alias is available, or if something went wrong during the attempt to obtain it. This could lead to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: dsa: Free routing table on probe failure If complete is set to true in dsatreesetup, it means that we are the last switch in the tree that is being probed successfully. We should then set up all switches along our probe path...

Astra Linux - Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvmarchvcpuioctl vcpuload leak vcpuput is not called if the user copy fails. This can result in preemption notifier corruption and crashes, among other issues...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fixed a potential double-free in drmschedjobaddresvdependencies. When adding dependencies using drmschedjobadddependency, the function consumes the fence reference both in success and failure cases. In the latter case,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - dm cache: Fixed UAF in the destroy function. - Dmcache also has the same UAF issue when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in the destroy function...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fixed the warning “checkFlushDependency” in workqueue.c. In the commit aee2424246f9 “RDMA/iwcm: Fixed a use-after-free issue related to destroying CM IDs”, the function “flushworkqueue” was called to flush the work que...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubifs: A memory leak has been fixed in the dorename function. When renaming a file in an encrypted directory, the function fscryptsetupfilename allocates memory for a file name. This name is never used, and before returning to th...

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: ACPICA: Refuses to evaluate a method if arguments are missing As reported in 1, a platform firmware update increased the number of method parameters and forgot to update at least one of its callers. This caused ACPICA to crash du...

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: MIPS: Do not crash in stacktop for tasks without an ABI or vDSO Not all tasks have an ABI associated with them, or a vDSO mapped to them. For example, kthreads never have such an ABI. If such a task calls stacktop, it will...

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

In the Linux kernel, the following vulnerabilities have been resolved: hfsplus: fixed the KMSAN uninit-value issue in hfsplusextcacheextent The syzbot reported an issue in hfsplusextcacheextent: 70.194323 T9350 BUG: KMSAN: uninit-value in hfsplusextcacheextent+0x7d0/0x990 70.195022 T9350...

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: f2fs: fixed the f2fsbugon when uninstalling the filesystem, specifically the call to f2fsevict inode. Creating large files during the checkpoint disabling period results in insufficient free segments. When writing back the root...

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: Fixed a UAF Use-After-Free in the error handling path. Sam Page sam4k, working with Trend Micro Zero Day Initiative, reported a UAF in the tipcbufAppend error handling path. Bug: KASAN: A “slab-use-after-free” issue in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: phy: ti: tusb1210: Resolve charger-det crash if charger psy is unregistered The powersupply framework is not actually designed to have long-term references to powersupply devices in the kernel. Specifically, unregistering a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: fsl: Fixed a reference count leak in imxsgtl5000probe. The function offindi2cdevicebynode takes a reference; in error-prone paths, we should call putdevice to release that reference, thereby avoiding a reference...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mm/gup: fixed guppudrange for dax For dax pud, pudhuge returns true on x86. Therefore, the function works as long as hugetlb is configured. However, dax does not depend on hugetlb. Commit 414fd080d125 “mm/gup: fixed guppmdrang...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: dw2102: Fixed a nullptrderef issue in dw2102i2ctransfer In dw2102i2ctransfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Malicious data...