cve-2014-0038

Local root exploit for CVE-2014-0038 Bug: The X86X32 recvmmsg syscall does not properly sanitize the timeout pointer passed from userspace. Exploit primitive: Pass a pointer to a kernel address as timeout for recvmmsg, if the original byte at that address is known it can be overwritten with known...

cve-2016-0040

cve-2016-0040 poc for cve-2016-0040 bug found and exploited by Meysam Firozi @R00tkitSmm this poc help write arbitrary data to arbitrary address in windows kernel for more info see ny blog : http://ioctl.ir/index.php/2016/02/13/cve-2016-0040-story-of-uninitialized-pointer/...

CVE-2019-19203

CVE-2019-19203 An issue was discovered in Oniguruma 6.x before 6.9.4rc2. In the function gb18030mbcenclen in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read. Researcher: ManhND of The Tarantul...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb/server: fixed a potential null-ptr-deref of leasectxinfo in smb2open A null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. This issue was fixed by checking whether...

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: pwm: lpc32xx: Remove handling of PWM channels Since the LPC32xx PWM controllers have only one output, which is registered as the only PWM device/channel per controller, it is known in advance that pwm-hwpwm value is always 0. Bas...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: qlogic: qlcnic: A NULL pointer dereference was fixed in qlcnic83xxaddrings. In qlcnic83xxaddrings, the indirect function ahw-hwops-allocmbxargs is called to allocate memory for cmd.req.arg. A dereference of this variable...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we attempt to add an IPv6 nexthop parameter, and IPv6 is not enabled !CONFIGIPV6, we encounter a NULL pointer dereference in the error path of nhcreateipv6...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fixed possible resource leaks in mpt3sastransportportadd. In mpt3sastransportportadd, if sasrphyadd returns an error, sasrphyfree must be called to free the resources allocated in sasenddevicealloc. Otherwise, a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - ice: xsk: disabling TXQ interrupts before flushing hardware settings. - iceqpdis attempts to stop a given queue pair that is a target of xsk pool attach/detach. One of the steps involved disabling interrupts on these queues...

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

In the Linux kernel, the following vulnerability has been resolved: HID: bigbenff: prevent null pointer dereference When emulating the device through UHID, there is a possibility that we do not have output reports, and as a result, reportfield is set to null...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: staticcall: Properly handle module initialization failures in staticcalldelmodule. Module insertion invokes staticcalladdmodule to initialize the static calls within a module. staticcalladdmodule calls staticcallinit, which...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/slub: Avoid accessing metadata when the pointer is invalid in objecterr. objecterr reports details about an object for further debugging, such as the freelist pointer, redzone, etc. However, if the pointer is invalid, attempti...

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: The TOCTOU issue in skisreadable has been fixed. sk-skprot-sockisreadable is a valid function pointer when sk resides in a sockmap. After the last skpsockput call which usually occurs when a socket is removed from the sockma...

Astra Linux – Vulnerability in gst-plugins-good1.0

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference vulnerability has been discovered in the gstmatroskademuxaddwvpkheader function within matroska-demux.c. This function does not properly check the validity of the stream-codecpriv pointer. If...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Validates the BOOT recordsize field. When the NTFS BOOT recordsize field is less than 0, it represents a shift value. However, there is no sanity check on the shift result, and the sbi-recordbits calculation using...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fixed a UAF in blkcgunpinonline. blkcgunpinonline traverses the blkcg hierarchy to set the object as online. To traverse this hierarchy, it uses blkcgparentblkcg, but this call occurs after blkcgDestroyBlksblkcg, whic...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: TCP: IPv6: Clamping the default advertising MSS to avoid GSOBYFRAGS 0xFFFF. When the MTU is large, ip6defaultadvmss may return IPV6MAXPLEN 65535. This is interpreted by TCP as “mssclamp”, allowing the MSS to reach 65535. However,...

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: net: IEEE802154: Do not leave a dangling SK pointer in ieee802154create. sockinitdata attaches the allocated SK object to the provided sock object. If ieee802154create fails later, the allocated SK object is freed, but the dangli...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Video: fbdev: smscufx: Fixed null-ptr-deref in ufxusbprobe I received a report of a null-ptr-deref issue: Bug: NULL pointer dereferencing in the kernel; address: 0000000000000000 … RIP: 0010:fbdestroymodelist+0x38/0x100 … Call...