Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networks: TLS – Avoid hanging tasks when using txlock. The syzbot reported a situation where tasks were hung. Eric explains that the adversarial receiver may keep RWIN at 0 for a long time, so we cannot guarantee progress. Thread...

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: net/smc: The use of smclgrlist.lock is required to protect the iteration of smclgrlist.list during smcrportadd. During the execution of smcrportadd, there may be operations that add or delete entries from smclgrlist.list at the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: pmc: Fixed a memory leak in amdpmcstbdebugfsopenv2. The function amdpmcstbdebugfsopenv2 may be called when the STB debug mechanism is enabled. When amdpmcsendcmd fails, the ‘buf’ variable needs to be released...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fixed a memory leak in wxsetuprxresources When wxallocpagepool fails in wxsetuprxresources, it does not release the DMA buffer. Adding dmafreecoherent in the error handling path is necessary to release the DMA buffer...

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: amba: bus – fix refcount leak The commit 5de1540b7bc4 from drivers/amba: create devices from device tree increases the refcount of ofnode, but does not release it in ambadevicerelease. This results in a refcount leak. By using...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: stm32 – Fixed a refcount leak in stm32pctrlgetirqdomain. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer necessary. Add the missing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: The reference to the devm device for the hidinput inputdevice name must be corrected. Instead of referring to the input device, the correct device should be used. Referring to the inputdevice would lead to a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: fix filter idr initialization The referenced commit moved the idr initialization too early in flchange, which allows concurrent users to access the filter that is still being initialized and is in an inconsiste...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/adreno: Fixed null pointer access in adrenogpucleanup Fixed the kernel panic caused by null pointer access: 18.504431 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000048 18.513464 Mem...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm flakey: Do not corrupt the zero page. When we need to zero a certain range on a block device, the function blkdevissuezeropages submits a write request with the bio vector pointing to the zero page. If we use the dm-flakey...

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

In the Linux kernel, the following vulnerabilities have been resolved: Network: Fixed the issue where data was torn apart when accessing sk-skstamp in sockrecvcmsgs. KCSAN identified a data race in sockrecvcmsgs, where the read access to sk-skstamp requires using READONCE. Bug: KCSAN: Data race i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fixed the missing initialization of the mrioc-evtackcmds array. The commit c1af985d27da “scsi: mpi3mr: Add Event acknowledgment logic” introduced an array mrioc-evtackcmds, but the initialization of its elements was...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a slab-out-of-bounds issue in initsmb2rsphdr. When smb1 mounting fails, KASAN detects a slab-out-of-bounds issue in initsmb2rsphdr, as follows. For smb1’s negotiate56 bytes, initsmb2rsphdr is called for smb2. The iss...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The hooks related to netdev are always released after the notifier is removed. This resolves the issue where, when a veth device is released, the veth release callback also queues the peer netns device for...

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: serial: 8250: Fixed an oops in port-pm when calling uartchangepm Unloading a hardware-specific 8250 driver may cause an error “Unable to handle kernel paging request at virtual address” about ten seconds after unloading the drive...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: avoid a NULL dereference with unsupported widgets If an IPC4 topology contains an unsupported widget, its .moduleinfo field will not be set. As a result, sofipc4routesetup will cause a kernel error when attempting to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hte: tegra-194: Fixed an error in tegrahtemaptolineid where the comparison was set to “”, but it should be changed to “=” to prevent a out-of-bounds read. “mapsz” represents the number of elements in the “m” array; therefore, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: For the m68k architecture, the bus error is only forced if the PC is not in the exception table. The getkernelnofault function copies data in supervisor mode when forcing a task backtrace log through /proc/sysrqtrigger. This is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: regulator: raa215300 – Fixed resource leak in case of errors The clkregisterclkdev function allocates memory by calling vclkdevalloc, and this memory is not freed in the error path. Similarly, resources allocated by...

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: Wifi: ath11k: Fixed the registration of a 6Ghz-only physical interface without the full channel range. Due to what appears to be a typographical error, the 6Ghz-only physical interface for which the BDF does not allow the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: The issue of tag leaks during the shrink nrhwqueues operation has been fixed. Although we don’t need to reallocate the set-tags array when performing shrink nrhwqueues, we still need to free those tags. Otherwise, these...

Astra Linux – Vulnerability in libtasn1-6

GNU Libtasn1 before version 4.19.0 has a array size check for “ETYPEOK” that affects the function asn1encodesimpleder...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: It is now possible to use hdev-workqueue when scheduling hdev-cmd,ncmdtimer. The syzbot is reporting an attempt to schedule the hdev-cmdwork task from systemwq to hdev-workqueue WQ, which is currently in a draining...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: hd44780: A potential memory leak was fixed in hd44780remove. hd44780probe allocates a memory block for hd using kzalloc, and makes “lcd-drvdata-hd44780” point to it. When calling hd44780Remove, we should release all...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000 – fixed a potential memory leak in wilcmacxmit The wilcmacxmit function returns NETDEVTXOK without freeing the skb buffer; devkfreeskb was added to address this issue. This fix has been tested only during compilati...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Added a overflow check for attribute size. The offset addition could cause an overflow, potentially passing the used size check when parsing MFT attributes with very large sizes e.g., 0xffffff7f. This could lead to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Drivers: mcb: fixed a resource leak in mcbprobe When the probe hook function failed in mcbprobe, the device was not added to the list of devices available for use. Compiled test only...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set ubuf-sg = NULL if the creation of the sg table fails. When the user space attempts to map the dmabuf, and for some reason e.g., OOM, the creation of the sg table fails, ubuf-sg needs to be set to NULL. Otherwise, whe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: pm8001: Fixed the runningreq for internal abort commands Disabling the remote PHY for a SATA disk causes a hang: bash root@none$ more /sys/class/sasPhy/phy-0:0:8/targetPortProtocols sata root@none$ echo 0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Do not clone flow post-action attributes a second time. The code already clones post-action attributes in mlx5ecloneflowattrforpostact. Creating another copy in mlx5etcpostactadd is an error remaining from the original...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds When we run syzkaller, we encounter an out-of-bound error. The specific error message is: “KASAN: slab-out-of-bounds Read in regcacheflatread” The backtrace of the issue i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: sunplus: fixed the return value check in mmcaddhost The mmcaddhost function may return an error if we ignore its return value. As a result: 1. The memory allocated in mmcallochost will be leaked. 2. A null-ptr-deref...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mlx5: Fixed a leak in skb during fifo resync and push operations. During the ptp resync operation, SKBs were popped from the fifo, but they were never freed either by napiconsume or by devkfreeskbany. Added a call to...

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: KVM: Fix for NULL pointer dereferencing After committing change 45c7e8af4a5e3f0bea4ac209 “MIPS: Remove KVMTE support”, we encountered a NULL pointer dereferencing issue when creating a KVM guest: 146.243409 Starting KVM wit...

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: rcuscale: Move rcuscalewriter’s scheduletimeoutuninterruptible function to idle. The rcuscale.holdoff module parameter can be used to delay the start of rcuscalewriter’s kthread. However, the hung-task timeout will trigger when t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a check for kmemdup. Since kmemdup may return a NULL pointer, it would be better to add a check on the return value to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: serial: imx: disable Ageing Timer interrupt request irq There might be pending USR interrupts before requesting the IRQ. However, the uartaddoneport function has not been executed, which could lead to a kernel panic. 0.79566...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: zsmalloc: The LRU update function has been moved from zsmapobject to zsmalloc. Under memory pressure, we sometimes observe the following crashes: 5694.832838 ------------ Cut here 5694.842093 Listdel corruption;...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a possible memory leak in smb2lock. argv needs to be freed when setupasyncwork fails, or when the current process is awakened...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i2c: xiic: xiicxfer: Fixed a runtime PM leak on the error path. The xiicxfer function acquires a runtime PM reference when it is entered. This reference is released when the function is exited. Currently, there is one error path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: m68k: mm: Move initrd phystovirt handling after paginginit When booting with an initial ramdisk on platforms where physical memory does not start at address zero e.g., on the Amiga: initrd: 0ef0602c - 0f800000 Zone ranges: DMA me...

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: igc: Fixed kernel panic during ndotxtimeout callback The Xeon validation group has conducted some load tests with various hardware configurations. They observed that transmit queue timeouts occurred during these tests. This cause...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: ISO: Fixed issues related to locking and validity checks for isoconn. sk-skstate indicates whether isopisk-conn is valid. Operations that check or update skstate and access conn should hold locksock; otherwise, they...

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: RDMA/irdma: Fixed a data race on CQP completion statistics. CQP completion statistics is locked when used in irdmawaitevent and irdmacheckcqpprogress. However, it can also be updated in the completion thread irdmascccqgetcqein...

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: RDMA/irdma: Fixed a data race on the CQP request done field. KCSAN detected a data race in the cqprequest-requestdone memory location. This location is accessed without a lock in the irdmahandlecqpop function, while it is bein...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fortify the spinlock against deadlock by interrupt In the function ieee80211txdequeue, there is a specific locking sequence: begin: spinlock&local-queuestopreasonlock; qstopped = local-queuestopreasonsq;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89 – freed unused skb objects to prevent memory leaks. This prevents potential memory leaks under power-saving mode...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Prevent “decltag” from being referenced in “funcproto” arguments. Syzkaller managed to encounter another issue with “decltag”: btffuncprotocheck kernel/bpf/btf.c:4506 inline btfcheckalltypes kernel/bpf/btf.c:4734 inline...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a signed-integer overflow bug in tcpaddbacklog The types of skrcvbuf and sksndbuf within the struct sock structure are int. In tcpaddbacklog, the limit for these variables is calculated by adding skrcvbuf, sksndbuf, an...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fixed the overflow bug in musbgadget.c The musbgadgetqueue function calls the USB function device. This function adds the passed request to musbep::reqlist. If request-length musbep-packetsz and isbuffermappedreq retur...