Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: vsock/virtio: fixed an issue where an empty payload was present in the tap skb for non-linear buffers. For non-linear skbs, virtiotransportbuildskb calls virtiotransportcopynonlinearskb to copy the original payload into a new...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block: Add a pgmap check to biovecphysmergeable. biovecphysmergeable is used in the request merge, DMA mapping, and integrity merge processes to determine whether two physically contiguous BVec segments can be coalesced into one...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed the bounds check in checkxattrs to prevent out-of-bounds access. The bounds check for the next xattr entry in checkxattrs uses void next = end. This allows next to point to within sizeofu32 bytes of end. In the next...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosectypec: Init mutex in Thunderbolt registration The function crostypecregisterthunderbolt failed to initialize the adata-lock mutex. This results in a NULL dereference when the mutex is acquired later e.g., i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: powerz Fixed the issue where usbkillurb was not called during signal interrupts. The function waitforcompletioninterruptibletimeout returns -ERESTARTSYS when interrupted. This requires aborting the URB operation and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw88 – Check whether a PCI upstream bridge exists. The pciupstreambridge function returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: playstation: Clamp numtouchreports Would a device ever lie about the number of touch reports? If it does, the dualshock4parsereport function will read from the end of the touchreports array, up to approximately 2 KiB, for a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Memory leaks have been fixed in rxkadverifyresponse. rxkadverifyresponse is now fixed to free the ticket and the server key under all circumstances. This is achieved by initializing the ticket pointer to NULL, and then...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: HID: appletb-kbd: running inactivity autodim from workqueues The autodim code in hid-appletb-kbd uses backlightdevice-opslock via backlightdevicesetbrightness - mutexlock, in two different atomic contexts: appletbinactivitytim...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: fixed a potential UAF in createbigsync. Added a check for hciconnvalid in createbigsync to detect stale connections before proceeding with the BIG creation process. Handle the -ECANCELED result in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Raise UD if the unhandled VMMCALL is not intercepted by L1. If L2 is active, and L1 does not want to intercept VMMCALL, and nestedsvml2tlbflush is enabled, and the hypercall is something other than one of the supported...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/vmalloc: The vmappurgelock must be taken in the shrinker function. The decayvapoolnode function can be invoked concurrently from two paths: 1. purgevmaparealazy, when pools are being purged; 2. The shrinker via...

Astra Linux – Vulnerability in RustC

In the standard library of Rust before version 1.2.0, BinaryHeap is not panic-safe. The binary heap becomes in an inconsistent state when the comparison of generic elements within siftup or siftdownrange causes a panic. This bug results in a decrease of zeroed memory of an arbitrary type, which c...

Astra Linux – Vulnerability in Linux 5.15

A race condition in the x86 KVM subsystem within the Linux kernel, as of 6.1-rc6, allows guest OS users to cause a denial of service host OS crash or host OS memory corruption when nested virtualization is enabled and the TDP MMU is also enabled...

Astra Linux – Vulnerability in Linux 5.15

A buffer overflow vulnerability was discovered in the Linux kernel’s Intel iSMT SMBus host controller driver. This vulnerability allows a local user to crash the system by triggering the I2CSMBUSBLOCKDATA function with malicious input data. source-iocs-preserved const=I2CSMBUS...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fixed the issue where the QP destruction operation was delayed until all references to QP were dropped. The completion of the QP destruction operation is delayed until all references to QP have been removed. The RDMA co...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fixed a null pointer reference in archpreparekprobe I found a null pointer reference in archpreparekprobe: echo 'p cmdlineprocshow' kprobeevents echo 'p cmdlineprocshow+16' kprobeevents The kernel attempted to re...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosectypec: Stale pointers have been set to zero. The function crostypecgetswitchhandles allocates four pointers when obtaining type-c switch handles. These pointers are all freed if none of them are obtained...

Astra Linux – Vulnerability in Linux 5.15

A use-after-free flaw was discovered in the Linux kernel. When a disk is removed, the bdiunregister function is called to stop further write-back operations, and the system waits for the associated delayed tasks to complete. However, the wb inodewritebackend function may schedule bandwidth...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8723bs – fixed a potential memory leak in rtwinitdrvsw. In rtwinitdrvsw, various initialization functions are called to populate the padapter structure, and certain checks are performed on their return values. However...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - net: 9p: fixed a refcount leak in error handling of p9readwork. - p9reqput must be called when m-rreq-rc.sdata is NULL to avoid a temporary refcount leak. Dominique: made changes to the commit message, fixed arguments for...

Astra Linux – Vulnerability in Intel Microcode

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

Astra Linux – Vulnerability in Intel Microcode

Improper access control for some 3rd Generation IntelR XeonR Scalable Processors before the BIOS version MR7 may allow a local attacker to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in mbedtls

A vulnerability was discovered in Mbed TLS before versions 2.28.2 and 3.x, prior to 3.3.0. An adversary with access to sufficiently precise information about memory accesses typically, an untrusted operating system attacking a secure environment can retrieve an RSA private key by observing the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: tty: fixed a possible nullptrdefer issue in spkttyiorelease. Run the following tests on the qemu platform: syzkaller: modprobe speakupaudptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: A use-after-free bug has been fixed in dupusercpusptr. Since commit 07ec77a1d4e8 “sched: Allows task CPU affinity to be restricted on asymmetric systems”, the setting and clearing of usercpusptr are performed under...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed the issue of reading strings from synthetic events. The following commands caused a crash: cd /sys/kernel/tracing echo 's:open char file' dynamicevents echo...

Astra Linux – Vulnerability in Linux 5.15

A use-after-free flaw was discovered in the Linux kernel, specifically in the logreplay function within fs/ntfs3/fslog.c in the NTFS journal. This flaw allows a local attacker to crash the system and causes a kernel information leak...

Astra Linux – Vulnerability in Intel Microcode

Improper input validation in some IntelR TDX module software prior to version 1.5.05.46.698 may allow a privileged user to potentially enable privilege escalation through local access...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the way RTAS handled memory accesses in user space for kernel communication. In a guest system that is under lockdown usually due to Secure Boot, running on top of PowerVM or KVM hypervisors pseries platform, a root-like local user could exploit this flaw to further...

Astra Linux – Vulnerability in Intel Microcode

The removal or modification of security-critical code in certain Intel processors may allow an authenticated user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: btrfssetheadergeneration must not be moved to after cleantreeblock, because cleantreeblock calls btrfsheadergeneration from commit 55c69072d6bd5be1 “Btrfs: Fix extentbuffer usage when nodesize != leafsize”. In...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fbnic: Resolving the race between fwlog and teardown This fix addresses a theoretical race condition in fwlog between the teardown path and the fwlog write functions. fwlog is written within fbnicfwlogwrite, and it can be...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: lockd: Other missing fields are set when unlocking files. The vfslockfile function expects that the struct filelock structure is fully initialized by the caller. If the flfile field is NULL after re-exporting NFSv3, an OOP err...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Replace listforeachentrysafe when using giveback The listforeachentrysafe macro saves the current item n and the item after n+1, so that n can be safely removed without corrupting the list. However, when...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a potential out-of-bound read issue in ext4fcreplayscan. For the scan loop, it is necessary to ensure that at least EXT4FCTAGBASELEN space is available. If the remaining space is less than EXT4FCTAGBASELEN, it may lea...

Astra Linux – Vulnerability in Linux 5.15

In the efirtasmwrapper of efi-rt-wrapper.S, there is a possible way to bypass shadow stack protection due to a logical error in the code. This could result in a local escalation of privileges without the need for additional execution privileges. User interaction is not required for exploitation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - BPF: Fixed a potential use-after-free of the BTF object. - The refcounting in the checkpseudobtfid function is incorrect: The checkpseudobtfid function might be called with a btf whose refcount is zero. This issue has been...

Astra Linux – Vulnerability in Apache2

The vulnerability of “Allocation of Resources Without Limits or Throttling” in Apache HTTP Server’s modmd, through OCSP response data. This issue affects Apache HTTP Server versions 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes this issue...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel, specifically with versions up to 5.9.1, when used with Xen in versions up to 4.14.x. Users of guest operating systems may experience a denial of service where the host operating system hangs due to a high rate of events affecting dom0, also known as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcievent: Fixed an issue where OOB reading and an infinite loop occurred in hcilecreatebigcompleteevt. The hcilecreatebigcompleteevt function iterates over BTBOUND connections for a BIG handle using a while loop...

Astra Linux – Vulnerability in Linux

In the pfkeydump of afkey.c, there is a potential out-of-bounds read due to a missing bounds check. This could lead to the disclosure of local information within the kernel, which requires System execution privileges. User interaction is not required for exploitation. Product: Android. Versions:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the “block” section, it is no longer allowed for the same type of “rqqos” to be added more than once. In our testing of “iocost”, we encountered some corruption in the “innerwalk” list during the execution of “ioc timerfn”. Th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change This resolves a partial issue related to commit 9d5403b1036c “fs: converting most other genericfile.mmap calls to .mmapprepare”. The .mmap invocation establishes a reference count, but...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – added parameter checks for RSA. Requests with a source buffer size greater than the size of the key are rejected. This prevents potential integer underflow issues that might occur when copying the source scatterlist...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: x86 – Check for nEPT/nNPT in slow flush hypercalls The check for isguestmodevcpus is incorrect, because the translatenestedgpa function is only valid if a L2 guest is running with nested EPT/NPT enabled. Instead, use the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: Fixed an issue where early boot crashes occurred when parameters without an '=' separator were used. If hugepages, hugepagesz, or defaulthugepagesz are specified on the kernel command line without the '=' separator,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/mempolicy: Fixed memory leaks in weightedinterleaveautostore. weightedinterleaveautostore fetches oldwistate only within the if!input block. This caused two memory leaks: 1. When a user writes “false” and the current mode i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: pseries/papr-hvpipe: Fixed race conditions with interrupt handlers. When executing the -ioctl handler or the -release handler, if an interrupt occurs on the same CPU, a deadlock can occur. This patch fixes both handlers to use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The issue of a memory leak in ntfsfillsuper was fixed. In ntfsfillsuper, the fc-fsprivate pointer is set to NULL without first freeing the memory it points to. This causes the subsequent call to ntfsfsfree to skip freei...