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: clk: davinci: A NULL check was added in davincilpscclkregister. devmkasprintf returns NULL when memory allocation fails. Currently, davincilpscclkregister does not check for this case, resulting in a NULL pointer being...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bug: Unchecked dereferencing of a NULL pointer in the kernel. Address: 0000000000000000 Causes: - ip6rcvcore net/ipv6/ip6input.c:190:20 - ipv6rcv net/ipv6/ip6input.c:306:8 - processbacklog net.core/dev.c:6186:4 - napipoll...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Fixed null-ptr-deref in jfsioctrim Syzkaller Report Oops: General Protection Fault, likely for non-canonical addresses 0xdffffc0000000087: 0000 1 KASAN: null-ptr-deref in range 0x0000000000000438-0x000000000000043f CPU: 2...

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: nvmet-tcp: Do not restore null skstatechange. queue-statechange is set as part of nvmettcpsetqueuesock, but if the TCP connection is not established when nvmettcpsetqueuesock is called, then queue-statechange is not set, and...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: phy: qcom-qmp-usb: Fix an NULL vs ISERR bug The qmpusbiomap helper function currently returns the raw result of devmioremap for non-exclusive mappings. Since devmioremap may return a NULL pointer and the caller only checks error...

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: HID: pidff: Fixed null pointer dereferencing in pidfffindfields This function triggered a null pointer dereference if it was used to search for a report that wasn’t implemented on the device. This occurred both for optional and...

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: arcnet: Add a NULL check in com20020pciprobe. devmkasprintf returns NULL when memory allocation fails. Currently, com20020pciprobe does not check for this case, resulting in a NULL pointer being dereferenced. Add a NULL check aft...

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: caifvirtio: The incorrect pointer check in cfvprobe has been fixed. delvqs frees virtqueues. Therefore, the pointer cfv-vqtx should be checked for being NULL before calling delvqs. The current implementation is redundant because...

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

In the Linux kernel, the following vulnerability has been resolved: dm era: fix NULL pointer dereference in metadataopen metadataopen returns NULL when kzallocobj fails, but the caller eractr only checks ISERRmd. Since ISERRNULL returns false, the NULL pointer is treated as a valid result and lat...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fixed potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease may set sk-skuserdata to NULL while vxlangropreparereceive is executing. Let’s verify whether rcudereferenceskuserdata returns NULL after...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Refactor the bind path to use free After a bind/unbind cycle, the ncm-notifyreq remains stale. If a subsequent bind fails, the unified error handling mechanism attempts to free this stale request. This leads 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: ocfs2: removing an entry instead of using null-ptr-dereference in ocfs2xaremove Syzkaller can trigger null-ptr-dereference in ocfs2xaremove: 57.319872 a.out,1161,7:ocfs2xaremove:2028 ERROR: status = -12 57.320420...

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

A issue was discovered in the driver/bluetooth/hcildisc.c file within the Linux kernel 6.2. In hciuartttyioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. The HCIUARTPROTOSET function is called before hu-proto is set. A NULL pointer dereferencing may occur...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cppccpufreq: Fixed a possible null pointer dereferencing issue. The functions cppccpufreqgetrate and hiicppccpufreqgetrate can be called from different locations with various parameters. Therefore, cpufreqcpuget may return null a...

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 in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a check for cstate. Since kzalloc may fail and return a NULL pointer, it would be better to check the cstate to avoid dereferencing the NULL pointer in drmatomichelpercrtcreset. Patchwork:...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: add NULL check for idev in ipv6hopioam Reported by Sashiko: The function ipv6hopioam accesses in6devgetskb-dev-cnf.ioam6enabled without validating the returned idev pointer. Since addrconfifdown can simultaneously cle...

Astra Linux – Vulnerability in openjpeg2

There is a flaw in OpenJPEG’s T2 encoder in versions prior to 2.4.0. An attacker who can provide crafted input for OpenJPEG to process may cause a null pointer dereferencing. The most significant impact of this flaw is the availability of the application...

Astra Linux – Vulnerability in connman

In ConnMan through version 1.44, the lookup string in nsresolv in dnsproxy.c can be NULL or an empty string when the TC Truncated bit is set in a DNS response. This allows attackers to cause a denial of service application crash or potentially execute arbitrary code, as those lookup values lead t...

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: crypto: af-alg – Fix NULL pointer dereference in scatterwalk The AFALG interface fails to unmark the end of a Scatter/Gather List SGL when chaining a new afalgtsgl structure. If a sendmsg function fills an SGL exactly up to...