Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: BPF: Fixed potential improper pointer dereferencing in bpfsysbpf. The bpfsysbpf helper function allows an eBPF program to load another eBPF program from within the kernel. In this case, the argument union bpfattr pointer along...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed null-ptr-deref in r5lFlushStripeToRaid The r5lFlushStripeToRaid function will check whether the list ‘flushingios’ is empty. It will then submit ‘flushbio’. However, r5llogFlushEndio clears the list first, a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pnode: terminate at peers of source The propagatemnt function handles mount propagation when creating mounts and propagates the source mount tree @sourcemnt to all applicable nodes of the destination propagation mount tree, heade...

Astra Linux – Vulnerability in Vim

NULL pointer dereferencing in the GitHub repository for Vim/Vim before version 9.0.1392...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttproxy: restrict to prerouting hook TPROXY is only allowed during prerouting, but nfttproxy does not check this. This fix resolves a crash null dereference that occurs when using tproxy from, for example, the output...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: The pointer may be dereferenced. The Klocwork tool reported that the pointer ‘rport’ was returned from a function call. The fcbsgtorport function may return NULL, and the pointer will be dereferenced. A fix has bee...

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: media: az6007: Fixed nullptrderef in az6007i2cxfer In az6007i2cxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf would still be performed. Malicious data could eventually...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Unused nvmelswaitq wait queue has been removed. A system crash occurs when qla2x00startspsp returns an error code EGAIN, and wakeup is called for an uninitialized wait queue sp-nvmelswaitq. - qla2xxx...

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

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fixed the null-ptr-deref issue in mreplace in raid10syncrequest. There are two checks for ‘mreplace’ in raid10syncrequest. In the first check, ‘needreplace’ will be set, and ‘mreplace’ will be used if there is no fault...

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

In the Linux kernel, the following vulnerability has been resolved: SCSI: QLA2xxx – Fixed potential NULL pointer dereferencing issues. The Klocwork tool reported that “curdsd” might be dereferenced. A fix has been added to validate the pointer before dereferencing it...

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: kobject: A sanity check was added for kset-kobj.ktype in ksetregister. When I register a kset in the following manner: c static struct kset mykset; kobjectsetname&mykset.kobj, "mykset"; ret = ksetregister&mykset; A null pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: A panic occurs when an IPv4 route references a loopback IPv6 nexthop. When a standalone IPv6 nexthop object is created with a loopback device e.g., “ip -6 nexthop add id 100 dev lo”, the fib6nhinit function misclassifi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge – Fix for NULL dereferencing of ndtbl when IPv6 is disabled When booting with the ipv6.disable=1 parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called, which is responsible for...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ethtool: eeprom: fix null-deref on genlinfo in dump A similar fix, as described in commit 46cdedf2a0fa “ethtool: pse-pd: fix null-deref on genlinfo in dump“, is also required for the ethtool eeprom function...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md: Do not set mddev’s private field to NULL in raid0 with pers-free. In a normal stop process, the following sequence of operations occurs: domdstop | mdstop pers-free; mddev-private = NULL | mdfree free mddev The mdstop functio...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: Added a check for the encoder in intelhdcpgetcapability. Sometimes during hotplug scenarios or suspend/resume scenarios, the encoder may not be initialized properly. To prevent null pointer dereferencing in the...

Astra Linux – Vulnerability in Linux 5.10

A NULL pointer dereference flaw was discovered in the Linux kernel’s X.25 set of standardized network protocol functions. This flaw allows a local user to crash the system by terminating their session using a simulated Ethernet card while continuing to use that connection...

Astra Linux – Vulnerability in Linux 5.15

A NULL pointer dereference flaw was discovered in the Linux kernel’s KVM module. This flaw can lead to a denial of service in the x86emulateinsn function in arch/x86/kvm/emulate.c. The flaw occurs when an illegal instruction is executed on the guest CPU of the Intel model...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A null pointer dereference issue was discovered in the SCTP network protocol within the net/sctp/streamsched.c file in the Linux kernel. If the streamin allocation fails, the streamout resource is freed, allowing further access to it. A local user could exploit this vulnerability to crash the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

There is a speculative pointer dereferencing issue in the Linux kernel, specifically with the doprlimit function. The value of the resource argument is controlled and is used in pointer arithmetic for the ‘rlim’ variable. This can lead to the leakage of its contents. We recommend upgrading to a...