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 in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: w83793 Fixed NULL pointer dereferencing by removing unnecessary structure fields. If the driver reads a temporary value that satisfies the following conditions: tmp & 0x08 && !tmp & 0x80 && tmp & 0x7 == tmp 4 & 0x7 from...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: xilinx: vcu: Unregistering pllpost only if registered correctly If the registration of pllpost fails, it will be set to NULL or ERR. Unregistering pllpost will also fail, with the following call trace: “Unable to handle kern...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: Prevent drmcopyfield from attempting to copy a NULL pointer. There are some fields in the struct drmdriver structure that are required by drivers. Since drmcopyfield attempts to copy these fields to user-space via...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: phy: dp83822: Fix null pointer access on DP83825/DP83826 devices The probe function is only used for the DP83822 PHY; the private data pointer remains uninitialized for the smaller DP83825/26 models. While all uses of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Prevent the release of journal inode after journal shutdown Before calling ocfs2deleteosb, the function ocfs2journalshutdown has already been executed in ocfs2dismountvolume. Therefore, osb-journal must be NULL. As a resul...

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: nouveau: fixed a race condition related to ptr storage operations. When running many VK CTS tests in parallel against nouveau, every few hours, you might encounter a crash like this. BUG: Kernel NULL pointer dereference, address:...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpnewlink. The gtplinkops operation structure for the subsystem must be registered after registering the gtpnetops pernet operation structure. Syzkaller encountered a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The issue of a null pointer dereference error in generateencryptionkey has been fixed. If a client sends two session setups with KRB5 authentication to ksmbd, a null pointer dereference error in generateencryptionkey can...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Added a null check before passing variables. Checked for null pointers before passing variables to functions. This fixes 3 NULLRETURNS issues reported by Coverity...

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: iwlwifi: Added a missing check for allocorderedworkqueue. Also added a check on the return value of allocorderedworkqueue, as it might return a NULL pointer...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpgenldumppdp. The gtpnetops pernet operations structure for the subsystem must be registered before registering the generic netlink family. Syzkaller reported a “general...

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: be2net: Pass wrbparams in case of OS2BMC. The function beinsertvlaninpkt is called with the wrbparams argument being NULL at the besendpkttobmc call site. This may lead to dereferencing a NULL pointer during the processing of a...

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

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: The initialization of the dangling pointer that occurs in vsk-trans During loopback communication, a dangling pointer can be created in vsk-trans, potentially leading to a Use-After-Free condition. This issue is...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed the potential NULL-ptr-dereference issue. The indevget function may return NULL, which could lead to a failure when the idev variable is dereferenced in indevforeachifartnl. This patch adds a check for a NULL...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/mxsfb: Disabling the overlay plane in mxsfbplaneoverlayatomicdisable When disabling the overlay plane in mxsfbplaneoverlayatomicupdate, the framebuffer pointer of the overlay plane is NULL. Therefore, dereferencing it would...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed the NULL pointer dereference 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 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check linkres-hpodplinkenc before using it. WHAT & HOW The functions dpenablelinkPhy and dpdisablelinkPhy can pass linkres without initializing hpodplinkenc. It is necessary to check for null values before...

Astra Linux – Vulnerability in exiv2

In Exiv2, from version 0.27.1 onwards, a malicious HTTP server can cause a denial of service crash due to a NULL pointer dereference by returning a crafted response that lacks a space character...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: A fix was made for NULL pointer access in mpt3sastransportportadd. The port is allocated using sasportallocnum, and rphy is allocated either through sasenddevicealloc or sasexpanderalloc. Both of these functions ma...