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

In the Linux kernel, the following vulnerability has been resolved: bcache: The issue with bchbtreenodealloc has been fixed to ensure that the failure behavior is consistent. In some specific situations, the return value of bchbtreenodealloc might be NULL. This could lead to a potential NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rtc: pl031: Fixed the issue of null pointer dereferencing in RTC features. When there is no interrupt line, the RTC alarm feature is disabled. The clearing of the alarm feature bit was performed before allocating the ldata-rtc...

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: nfp: flower: handling of actinetdevs allocation failures The kmallocarray function in nfpfllagdowork will return null if physical memory runs out. As a result, if we dereference actinetdevs, null pointer dereferencing bugs may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: Guard flow control updates with globaltxfc in buffer switching The function mvpp2bmswitchbuffers mvpp2bmpoolupdateprivfc when switching between per-cpu and shared buffer pool modes. This function programs the CM3 flow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: fixed the NULL pointer dereferencing issue in the early fallback to fastopen. In the event of an early fallback to TCP, subflowsynrecvsock deletes the subflow context before returning the newly allocated socket to the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: spi: bcm2835: bcm2835spihandleerr: Fixed the issue of NULL pointer dereferencing for non-DMA transfers. If an IRQ-based transfer times out, the bcm2835spihandleerr function is called. Since commit 1513ceee70f2 “spi: bcm2835: Drop...

Astra Linux – Vulnerability in binutils

There is a flaw in the bfdpefscanstartaddress function of bfd/pef.c in binutils, which could allow an attacker who can submit a crafted file to be processed by objdump to cause a NULL pointer dereference. The greatest threat of this flaw is to application availability. This flaw affects binutils...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfrm: Policy issue: Fixing the metadata dst-dev xmit null pointer dereference. When we attempt to transmit an skb with metadatadst attached i.e., dst-dev == NULL through the xfrm interface, we may encounter a null pointer...

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

In the Linux kernel, the following vulnerabilities have been resolved: usb: mtu3: Fixed the kernel panic that occurred when the qmu transfer was completed and the irq handler was called. When handling the qmu transfer irq, the @mtu-lock is unlocked before returning the request. If another thread...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a debugfs null pointer error WHY & HOW Check whether the getsubvpen callback exists before calling it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a NULL dereference in ntfsupdatemftmirr. If ntfsfillsuper is not called, then sbi-sb will be equal to NULL. The code should check this pointer before dereferencing it. The Syzbot encountered this issue by passing...

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

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

Astra Linux – Vulnerability in Vim

NULL pointer dereferencing in the function vimregexecstring at regexp.c:2729 in the GitHub repository vim/vim, prior to version 8.2.4901. NULL pointer dereferencing in function vimregexecstring at regexp.c:2729 allows attackers to cause a denial of service application crash through crafted inputs...

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

A null pointer dereference flaw was discovered in the Linux kernel API for the cryptographic algorithm scatterwalk functionality. This issue occurs when a user constructs a malicious packet with specific socket configurations, which could allow a local user to crash the system or escalate their...

Astra Linux – Vulnerability in net-snmp

Net-SNMP provides various tools related to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials could use an improperly formatted OID in a SET request to the nsVacmAccessTable, causing a NULL pointer derefrence. Version 5.9.2 includes a patch to addre...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A issue was discovered in the Linux kernel through version 6.1-rc8. The function dpucrtcatomiccheck in the file drivers/gpu/drm/msm/disp/dpu1/dpucrtc.c lacks a check for the return value of kzalloc. This issue may lead to a NULL Pointer Dereference...

Astra Linux – Vulnerability in krb5

In MIT Kerberos 5 also known as krb5, before version 1.18.5 and 1.19.x, before version 1.19.3, the Key Distribution Center KDC has a NULL pointer dereference in the kdc/dotgsreq.c file, through a FAST inner body that lacks a server field...

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: drm/tegra: dsi: Added a check for the return value of offinddevicebynode. Added a check on the return value of offinddevicebynode, and return an error if it fails, in order to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915: fixed null pointer dereferencing Asus Chromebook CX550 crashes during boot with the v5.17-rc1 kernel. The root cause is null pointer dereferencing in tglgetbwinfo in drivers/gpu/drm/i915/display/intelbw.c. BUG: NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/dp: The struct dppanel’s connector should be populated properly. In the DP CTS test case 4.2.2.6, the edid has a valid checksum, but intentionally a bad checksum is used. It is expected that the DP source returns a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL check was added for the “timing generator” in dcn21setpipe. In the line of u32 otginst = pipectx-streamres.tg-inst;, if pipectx-streamres.tg can be NULL, it relies on the caller to ensure that tg is not NU...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU’s built-in VNC server during the processing of ClientCutText messages. The qemuclipboardrequest function can be accessed before vncservercuttextcaps is called, which gives a malicious authenticated VNC client the opportunity to initialize the clipboard peer. This...

Astra Linux – Vulnerability in TIF format

A null source pointer passed as an argument to the memcopy function within TIFFFetchStripThing in tifdirread.c in libtiff versions from 3.9.0 to 4.3.0 could lead to a Denial of Service attack through a crafted TIFF file. For users who compile libtiff from source code, this fix is available in the...

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

A flaw was discovered in the Linux kernel’s IP framework for transforming packets XFRM subsystem. This issue may allow a malicious user with CAPNETADMIN privileges to directly dereference a NULL pointer in xfrmupdateaeparams, resulting in a potential kernel crash and denial of service...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ovl: Fixed a NULL pointer dereference issue in the copy-up warning message. This patch addresses a NULL pointer dereference that caused a recently introduced warning message to fail...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Use mlx5ipsecrxstatusdestroy to correctly delete status rules. rxcreate no longer allocates a modifyhdr instance that needs to be cleaned up. The mlx5modifyheaderdealloc call will lead to a NULL pointer dereference. ...

Astra Linux – Vulnerability in Linux 5.10, Linux

A NULL pointer dereference flaw exists in the diFree function in the fs/jfs/inode.c file of the Journaled File System JFS in the Linux kernel. This flaw could allow a local attacker to crash the system or leak internal kernel information...

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: Issue: unittest – Fix null pointer dereferencing in ofunittestfindnodebyname. Description: When kmalloc fails to allocate memory in kasprintf, variables like name or fullname will be NULL. In this case, strcmp will cause a null...

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

A NULL pointer dereference vulnerability exists in the Linux kernel on Linux, x86, and ARM platforms including networking and Bluetooth modules. This vulnerability is related to the /net/bluetooth/rfcomm/core.C file. This issue affects the Linux kernel version v2.6.12-rc2...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: A NULL pointer dereferencing occurred after calling stargettorport. Calls to stargettorport may return NULL. Add a check for NULL rport before dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix NULL-pointer dereferences There are several situations in which the kernel can crash when requests are made to unbind the GPIO device and then system calls related to the GPIO character device’s anonymous file...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel before version 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allowed an unprivileged user to trigger a denial of service system crash through a crafted traffic control configuration set up using the "tc qdisc" and "tc class" commands. This issue affect...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Null pointer dereferencing has been prevented in nvmefciogetuuid. The nvmefcfcpop structure, which describes an AEN operation, is initialized with a null pointer to the request structure. An FC LLDD may make a call to...

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: spi: spi-mt65xx: Fixed NULL pointer access in the interrupt handler. The TX buffer in spitransfer can be a NULL pointer. As a result, the interrupt handler may write to invalid memory, causing crashes. Add a check for trans-txbuf...

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: sma1307: Added a NULL check in sma1307settingloaded. All variables allocated by kzalloc and devmkzalloc could potentially be NULL. Multiple pointer checks and their cleanup procedures have been added. This issue was...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Firmware: dmi-sysfs: Fixed a null-ptr-deref issue in dmisysfsregisterhandle. KASAN reported a null-ptr-deref error: KASAN: Null-ptr-deref in the range 0x0000000000000008-0x000000000000000f. CPU: 0; PID: 1373; Comm: modprobe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fixed the link-down processing to address the issue of NULL pointer dereferencing. If a FC link-down transition occurs while PLOGIs are outstanding and the fabric-known addresses are involved, outstanding ABTS request...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PM: EM: Fixed NULL pointer dereferencing when the perf domain ID is not found. The devenergymodelnlgetperfdomainsdoit function calls emperfdomaingetbyid, but it does not check the return value before passing it to emnlgetpdsize...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - aio: Fixed the dereferencing of a null pointer in aiocomplete’s wakeup routine. - listdelinitcareful must be the last access to the wait queue entry; this effectively unlocks access to the queue. Previously, finishwait would...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for null-ptr-deref in ext4writeinfo I identified a bug involving null-ptr-deref as follows: ========================================== KASAN: null-ptr-deref in range 0x0000000000000068-0x000000000000006f CPU: 1 PID: 158...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl4965 – Added a check for the return value of the createsinglethreadworkqueue function. The check is added to prevent NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: soc: bcm: Check for a NULL return from devmkzalloc. As a potential failure during allocation, devmkzalloc may return NULL. Then, pd-pmb and the subsequent lines of code may lead to a null pointer dereferencing. Therefore, it is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “phy: qcom-qmp-combo: fix NULL-deref on runtime resume” The commit with ID fc64623637da “phy: qcom-qmp-combo,usb: add support for separate PCSUSB region” began treating the PCSUSB registers as potentially separate from the PCS...

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: ALSA: hda: fixed a possible null-pointer dereference due to a data race in sndhdacregmapsync The variable codec-regmap is often protected by the lock codec-regmaplock when it is accessed. However, it is accessed without holding t...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: Unable to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...

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

In the Linux kernel, the following vulnerability has been resolved: mmc: mmcspi: fixed error handling in mmcspiprobe If mmcaddhost fails, there is no need to call mmcremovehost; otherwise, it may cause a null-ptr-deref issue, due to deleting a device that was not properly added in mmcremovehost. ...

Astra Linux – Vulnerability in net-snmp

Net-SNMP provides various tools related to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials could use a malformed OID in a SET request to NET-SNMP-AGENT-MIB::nsLogTable” to cause a NULL pointer dereference. Version 5.9.2 includes a patch to addres...