CVE-2026-98399

A flaw was found in the Linux kernel. On s390 IBM Z systems booted without an Initial Program Load IPL parameter block, such as during direct kernel boot, the kernel does not verify the parameter block before dereferencing it during dump operations. A local privileged user could trigger this...

CVE-2026-98400

A flaw was found in the Linux kernel's s390 architecture. On systems booted without an Initial Program Load IPL parameter block, such as direct virtual machine boots, the kernel crash shutdown handler unconditionally dereferences an uninitialized pointer when preparing crash data. If a crash...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ovl: fixed null pointer dereference in ovlgetaclrcu The following processes are involved: P1 P2 pathopenat linkpathwalk maylookup inodepermissionrcu ovlpermission aclpermissioncheck checkacl getcachedaclrcu ovlget inodeacl...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fixed NULL pointer dereferencing when printing devname When larbdev is NULL in the case I encountered, the node is incorrectly set as iommu = &iommu NUM, it will cause devicelinkadd to fail and the kernel to crash...

Astra Linux – Vulnerability in DjVuLibre

DjVuLibre 3.5.27 has a NULL pointer dereference in the function DJVU::filterfv at IW44EncodeCodec.cpp...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check for the ‘afb’ variable in the amdgpudmplanehandlecursorupdate function v2. This commit incorporates a null check for the ‘afb’ variable within the amdgpudmplanehandlecursorupdate function...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: A fix was made to the NULL pointer dereference in dwc3gadgetsuspend. In the current scenario, if plug-out and plug-in operations are performed continuously, there is a possibility that a NULL pointer dereferenc...

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: vsock: Fixed the transportg2h,h2g TOCTOU issue. The vsockfindcid and vsockdevdoioctl functions may race with module unloading. transportg2h,h2g may become NULL after the NULL check. Introduced vsocktransportlocalcid to prevent...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: mana: Added NULL guards in the teardown process to prevent panics during attach failures. When queue allocation fails halfway through, error cleanup releases variables apc-txqp and apc-rxqs containing NULL values. Multipl...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm-stats: A crash occurs if the allocation of per-cpu data fails. If dmkvzallocpercpuallocsize, cputonodecpu fails, the code jumps to the “out” label and calls dmstatfree. dmstatfree executes foreachpossiblecpucpu...

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

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent the null-ptr-deref bug...

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: wifi: brcmfmac: A bug caused by NULL pointer dereferencing in brcmidmacsglistrw has been fixed. This patch addresses a bug where a NULL pointer dereferencing occurs when a high value of sdsgentryalign is used e.g., 512, and many...

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: SCTP: The order of operations for SCTPCMDASSOCSHKEY should be changed to right after SCTPCMDPEERINIT. A null-ptr-deref issue was reported in the SCTP transmission path when the initialization of the SCTP-AUTH key fails:...

Astra Linux – Vulnerability in Mariadb 10.3

MariaDB Server versions prior to 10.3.34 through 10.9.3 are vulnerable to Denial of Service attacks. It is possible for the function spiderdbmbase::printwarnings to dereference a null pointer...

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: ipv6: Added NULL checks for idev in SRv6 paths. in6devget may return NULL when the device has no IPv6 configuration e.g., when MTU IPV6MINMTU, or after NETDEVUNREGISTER. Added NULL checks for idev returned by in6devget in both...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Driver: iio: added missing checks for access to iioinfo’s callbacks. Some callbacks from the iioinfo structure are accessed without any checks. Therefore, if a driver does not implement these callbacks, attempting to access th...

Astra Linux – vulnerability in grub2

A flaw was found in grub2: the grubextcmddispatcher function calls grubarglistalloc to allocate memory for the grub’s argument list. However, it fails to check whether the memory allocation succeeds. If it does not, a NULL pointer is processed by the parseoption function, causing grub to crash or...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed NULL pointer dereferencing in svmmigratetoram ./drivers/gpu/drm/amd/amdkfd/kfdmigrate.c:985:58-62: Error: p is NULL, but it was dereferenced...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt2701: Add check for mtkallocclkdata Add a check on the return value of mtkallocclkdata to avoid NULL pointer dereferencing...

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: wifi: zd1211rw: Fixed a potential NULL pointer dereference in zdmactxtodev. There is a potential NULL pointer dereference in zdmactxtodev. For example, the following situation may occur: c T0 T1 zdmactxtodev / len == skbqueuelenq...