Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: rt7-sdw: harden jackdetecthandler Realtek headset codec drivers typically check whether the card is instantiated before proceeding with the jack detection. However, rt700, rt711, and rt711-sdca lack a check on the card...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/memhotplug: Added an addpages override for PPC. With the commit ffa0b64e3be5 “powerpc: Fix virtaddrvalid for 64-bit Book3E & 32-bit”, the kernel now validates the addr against the highmemory value. This results in the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Fixed the deadlock issue in the SCSI I/O completion and abort handling routines. During stress I/O tests with 500+ vports, hard lockup calls were observed. CPU A: - nativequeuedspinlockslowpath+0x192 -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: Remove initconst from gates. Since the commit 8ceff24a754a “clk: mediatek: clk-gate: Refactor mtkclkregistergate to use mtkgate struct”, the mtkgate structures are no longer only used for initialization/registratio...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to perform a sanity check on the inlinedots inode. As Wenqing reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215765 This issue causes a kernel panic when performing the following actions: -...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Module: Fix eshstrndx.shsize=0 OOB access It is trivial to create a module that triggers OOB access with the following code: if info-secstringsstrhdr-shsize – 1 != '\0' Bug: Unable to handle page faults for the address:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Keep MSRRI set when calling RTAS RTAS runs in real mode MSRDR and MSRIR unset and in 32-bit big endian mode MSRSF,LE unset. The change in MSR is done in enterrtas in a relatively complex way, since the MSR value cou...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921 – fixed a crash that occurred during startup failure. If the network interface card fails to start, it is possible that the “resetwork” task has already been scheduled. Ensure that this task is canceled so that a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: revisit gc autotuning As of commit 4608fdfc07e1, “netfilter: conntrack: collect all entries in one cycle” was changed, and the garbage collection of conntrack entries now occurs every 2 minutes. On systems...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Added the missing pmruntimeputsync function. The pmruntimegetsync function will increase the runtime PM counter even when it returns an error. Therefore, a corresponding decrement is required to prevent a refcount lea...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mt76: fixed the crash in monitor mode with the sdio driver. The mt7921s driver may receive frames with fragment buffers. If a CTS packet is received in monitor mode, the payload is only 10 bytes, and 6 bytes of header padding ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: davinci: vpif: Fixed a use-after-free issue during the driver unbind operation. The driver allocates and registers two platform device structures during the probe phase. However, these devices were never deregistered after...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/tm: Fixed corruption in user space r13. The commit cf13435b730a “powerpc/tm: Fixed corruption in user space r13” fixes a problem in treclaim, where a SLB miss can occur on threadstruct-ckpt regs, when SCRATCH0 is active a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: preserved skbendoffset in skbunclonekeeptruesize syzbot discovered another way to trigger the infamous WARNONONCE delta truesize, and also ensure that TCP does not fill the new tailroom that skbexpandhead could obtain fro...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ath11k: pci: fix crash on suspend if board file is not found Mario reported that the kernel crashed during suspension if ath11k could not find the board file: 473.693286 PM: Suspending system s2idle 473.693291 printk: Suspendi...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ceph: Fixed inode reference leakage in cephgetsnapdir The cephgetinode function will search for or insert a new inode into the hash for the given vino, and return a reference to it. If new is non-NULL, its reference is consumed. ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: vchiqarm: Avoid dereferencing a NULL pointer in vchiqdumpplatforminstances. vchiqgetstate can return a NULL pointer. Therefore, handle this case and avoid dereferencing a NULL pointer in vchiqdumpplatforminstances...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - In the net subsystem, sfc: added missing xdp queue reinitialization after changing the rx/tx ring buffer size. When acting as XDPTX or XDPREDIRECT, the kernel panics if the xdp queues are not reinitialized properly...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check if the modulo result is 0 before performing division. How & Why If a value of 0 is read, it will cause a Divide-by-0 panic...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fixed the issue where the variable &phb-ioresource was used after calling deviceunregister&hostbridge-dev. However, the unregister operation might have freed phb, since pcibiosfreecontrollerdeferred is the releas...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around sysctltcpecnfallback. When reading sysctltcpecnfallback, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bamdma: fix runtime PM underflow The commit dbad41e7bb5f “dmaengine: qcom: bamdma: check if the runtime pm enabled” caused unbalanced pmruntimeget/put calls when the bam was controlled remotely. This commit rever...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networks: DSA: QCA8K: resetting the CPU port when the MTU changes. It was discovered that the documentation lacks a fundamental detail regarding how to correctly change the MAXFRAMESIZE of the switch. In fact, if the MAXFRAMESIZE...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Use spinlock to avoid hangs. 14696.634553 Task: cat State: D Stack: 0 PID:1613738 PPID:1613735 Flags:0x00000004 14696.638285 Call Trace: 14696.639038 14696.640032 schedule+0x302/0x930 14696.640969 schedule+0x58/0xd0...

Astra Linux – Vulnerability in Linux 5.15

A bug affects the ksmbd NTLMv2 authentication of the Linux kernel, and it is known to cause the operating system to crash immediately in Linux-based systems...

Astra Linux – Vulnerability in Intel Microcode

Improper access control in some 3rd Generation IntelR XeonR Scalable processors may allow a privileged user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8 contains SAUCE patches that may involve the use of an uninitialized variable in the AppArmor AFINET/AFINET6 socket mediation code. This bug can be triggered by a non-privileged local user, and it could lead to incorrect, fine-grained mediation of network sockets...

Astra Linux – Vulnerability in RustC

In the standard library of Rust before version 1.19.0, there is a synchronization issue with the MutexGuard object. MutexGuards can be used across threads of any type, which can lead to memory safety issues due to race conditions...

Astra Linux – Vulnerability in Linux

The bpf verifier in the Linux kernel failed to properly handle truncation of the mod32 destination register when the source register was known to be 0. A local attacker who had the ability to load bpf programs could exploit this vulnerability by performing out-of-bounds reads in kernel memory,...

Astra Linux – Vulnerability in Linux

A flaw related to race conditions and incorrect initialization of the process ID was discovered in the Linux kernel’s handling of child/parent process identification during signal handler filtering. A local attacker can exploit this flaw to bypass checks and send any signal to a privileged proces...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: Use DEVSTATSINC to avoid data races. syzbot/KCSAN reported that multiple CPUs are updating dev-stats.txerror concurrently. This occurs because sit tunnels use NETIFFLLTX, which means their ndostartxmit function is not...

Astra Linux – Vulnerability in Intel Microcode

Improper isolation of shared resources in some IntelR processors may allow a privileged user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto:inside-secure/eip93 – Fixed kernel panic during driver detachment. During driver detachment, the same hash algorithm was unregistered multiple times due to an incorrect iterator usage...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fix memory access flags in helper prototypes After the commit 37cce22dbd51 “bpf: verifier: Refactor helper access type tracking”, the verifier began relying on the access type flags in helper function prototypes to perfor...

Astra Linux – Vulnerability in Intel Microcode

Improper initialization of shared resources in some IntelR processors may allow an authenticated user to potentially enable information disclosure via local access...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Fixed the warning condition in p2pmemallocmmap The commit b7e282378773 has already changed the initial page refcount of p2pdma from one to zero. However, in p2pmemallocmmap, it uses “VMWARNONONCEPAGE!pagerefcountpage”...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. The file fs/ksmbd/smb2pdu.c omits a kfree call in certain error conditions during the smb2handlenegotiate process, resulting in a memory leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: Added the “MUSTCONNECT” flag to the pads. The pads failed to check for connected devices, which may lead to a null dereference when the stream is enabled. It is impossible to handle a NULL pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm-verity-fec: The issue of reading parity bytes that are split across blocks has been fixed. The fecDecodeBufs function assumes that the parity bytes of the first RS codeword it decodes are never split across parity blocks. This...

Astra Linux – Vulnerability in Linux

A buffer overflow attack in fbcon in the Linux kernel before version 5.9.7 could be exploited by local attackers to read privileged information or potentially cause the kernel to crash. This issue is identified as CID-3c4e0dff2095. This vulnerability arises because the KDFONTOPCOPY function in...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.9.1, as used with Xen up to version 4.14.x. The file drivers/xen/events/eventsbase.c allows for the removal of event channels during the event-handling loop a race condition. This can lead to a use-after-free or NULL pointer...

Astra Linux – Vulnerability in Linux

A buffer overflow at the framebuffer layer in the fbcon code within the Linux kernel, prior to version 5.8.15, could be exploited by local attackers to read kernel memory, referred to as CID-6735b4632def...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: frequency: admv1013: fix NULL pointer dereference on str When devicepropertyreadstring fails, str remains uninitialized, but the code proceeds to strcmpstr, …, resulting in dereferencing a garbage pointer. Replace manual...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7921 – fixed a potential clc buffer length underflow. The buflen field is used to limit the number of iterations required to retrieve the country’s power settings. Under certain conditions, this value may underflow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ice: fixed the double-free in the icesfethactivate error path. When auxdevadd fails, icesfethactivate jumps to auxdevuninit and calls auxdevuninit&sfdev-adev. The device release callback icesfdevrelease frees sfdev, but the curre...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/shstk: Prevent deadlock during shstk sigreturn During sigreturn, the shadow stack signal frame is popped. The kernel does this by reading the shadow stack using normal read accesses. When it cannot assume that the memory is t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the unittest module, a use-after-free issue was addressed in the ofunittestchangeset function. The variable ‘parent’ is assigned the value of ‘nchangeset’ earlier in the function; both variables point to the same struct...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: The barrier raising operation was moved before the state machine transition. The barrier raising operation was moved before calling llbitmapstatemachine in both llbitmapstartwrite and llbitmapstartdiscard. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: flowdissector: Do not dissect PPPoE PFC frames. RFC 2516, Section 7 states that Protocol Field Compression PFC is NOT recommended for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the flow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: Disallowed non-power-of-two minregionsz values in damonstart. The commit d8f867fa0825 „mm/damon: add damonctx-minszregion“ introduced a bug that allowed unaligned DAMON region addresses. The commit c80f46ac228b...