Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: compress: fixed to avoid a use-after-free condition on dic. Call trace: memcpy+0x128/0x250 f2fsreadmultipages+0x940/0xf7c f2fsmpagereadpages+0x5a8/0x624 f2fsreadahead+0x5c/0x110 pagecacheraunbounded+0x1b8/0x590...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Net: Marvell: Pestera: Fixed handling of IPv4 routes with nhid. Fixed the handling of IPv4 routes that reference a nexthop via its id by replacing calls to fibinfonh with fibinfonhc. When attempting to add an IPv4 route that...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: qcom: qdsp6: Fixed the issue where q6apm removal ordering occurs during ADSP stop and start. During ADSP stop and start, the kernel crashes due to the order in which ASoC components are removed. During ADSP stop, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Avoid leaving a dangling sk pointer in rfcommsockalloc The btsockalloc function attaches the allocated sk object to the provided sock object. If rfcommdlcalloc fails, we release the sk object, but leave a...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: cfg80211: Values of NL80211ATTRTXQQUANTUM are restricted. syzbot can trigger soft lockups by setting NL80211ATTRTXQQUANTUM to 2^31. We had a similar issue in schfq, which was fixed in the commit d9e15a273306 "pktsched: f...

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

In the Linux kernel, the following vulnerability has been resolved: SCTP: The comparison of MACs has been fixed to require constant-time operations. To prevent timing attacks, MACs need to be compared in constant-time. Use the appropriate helper function for this purpose...

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: vfio/pci: Properly hiding the first-in-list PCIe extended capabilities There are cases where a PCIe extended capability should be hidden from the user. For example, an unknown capability i.e., a capability with an ID greater than...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – Fix for the memory leak caused by ADFDEVRESET. Using completiondone to determine whether the caller has gone away only works after a complete call. Moreover, it’s still possible that the caller hasn’t yet called...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Do not use DSISR for SLB faults. Since commit 46ddcb3950a2 “powerpc/mm: Show if a bad page fault on data is read or write”, we use pagefaultiswriteregs-dsisr in badpagefault to determine whether the fault is for a re...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: selinux: Avoid dereferencing garbage after a mount failure. In the case where kernmount fails and returns an error pointer in the error branch, rather than continuing and dereferencing the error pointer. Also, remove the “never...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Check whether the returned RPORT is valid by calling fcbsgtorport. Klocwork reported a warning that the RPORT might be NULL and could be dereferenced. The RPORT returned by the fcbsgtorport function might be NULL,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: The issue of GUP-fast successfully accessing secretmem folios has been fixed. The function folioissecretmem currently relies on secretmem folios being marked as LRU to save some processing cycles. However, secretmem...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networks: Ethernet; mtkethsoc: fixed the issue of PPE hanging. A patch to resolve this issue was found in MediaTek’s GPL-licensed SDK. In the mtkppestop function, the PPE scan mode is not disabled before disabling the PPE. This...

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: Bluetooth: 6lowpan: resetting the link-local header in the IPv6 receive path The Bluetooth 6lowpan.c netdev module has the headerops function; therefore, it must set the link-local header for the RX skb packet. Otherwise, thin...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue has been resolved through improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6, iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, and watchOS 7.5. A malicious application may be able to leak sensitive user information...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hfsplus: fixed a slab-out-of-bounds read in hfsplusuni2asc BUG: KASAN: slab-out-of-bounds in hfsplusuni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186 Read of size 2 at addr ffff8880289ef218 by task syz.6.248/14290 CPU: 0 UID: 0 PID...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate-ut: Fixed a kernel panic that occurred when loading the driver. After loading the amd-pstate-ut driver, the functions amdpstateutcheckperf and amdpstateutcheckfreq use cpufreqcpuget to obtain the CPU’s policy...

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: hsr: Fixed uninit-value access in hsrgetnode KMSAN reported the following uninit-value access issue 1: ===================================================== BUG: KMSAN: uninit-value in hsrgetnode+0xa2e/0xa40...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: wmt-sdmmc: 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 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/scs: The task stack state is reset in bringupcpu. When a CPU is hot-plugged, the idle task on that CPU calls several layers of C code before finally leaving the kernel. When KASAN is in use, a “poisoned” shadow is left behi...