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: MIPS: KVM: Fix for NULL pointer dereferencing After committing change 45c7e8af4a5e3f0bea4ac209 “MIPS: Remove KVMTE support”, we encountered a NULL pointer dereferencing issue when creating a KVM guest: 146.243409 Starting KVM wit...

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: Issue: unittest – Fix null pointer dereferencing in ofunittestfindnodebyname. Description: When kmalloc fails to allocate memory in kasprintf, variables like name or fullname will be NULL. In this case, strcmp will cause a null...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a check for kmemdup. Since kmemdup may return a NULL pointer, it would be better to add a check on the return value to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability in slapi-nis

A flaw was discovered in slapi-nis in versions prior to 0.56.7. A NULL pointer dereferencing during the parsing of the Binding DN could allow an unauthenticated attacker to crash the 389-ds-base directory server. The greatest threat from this vulnerability is to system availability...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: Do not write to msggetinq in the callee. A fix for NULL pointer dereferencing issues. msggetinq is an input field from the caller to the callee. Do not set it in the callee, as the caller may not clear it during struct reuse...

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 will still be performed. Malicious data will eventually...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/mediatek/lvtsthermal: Check NULL ptr on lvtsdata Verify that lvtsdata is not NULL before using it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fixed potential NULL dereferencing in ioam6fillTraceData. We need to check in6devget for a possible NULL value, as suggested by Yiming Qian. Also, add skbdstdevrcu instead of skbdstdev, and two missing READONCE calls...

Astra Linux – Vulnerability in Linux 5.10, Linux

A issue was discovered in the Linux kernel through version 5.16-rc6. The function malidpcrtcreset in the file drivers/gpu/drm/arm/malidpcrtc.c lacks a check on the return value of kzalloc. This could lead to a null pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw89 – fw: scan offload prohibit all 6 GHz channels if no 6 GHz sband exists. We have certain policies via the BIOS that prevent the use of 6 GHz frequencies. In this case, the 6 GHz sband parameter will be set to NULL, ev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: A NULL pointer dereferencing occurred after calling stargettorport. Calls to stargettorport may return NULL. Add a check for NULL rport before dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: encx24j600: check error in devmregmapinitencx24j600 devmregmapinit may return error which caused by like out of memory, this will results in null pointer dereference later when reading or writing register: general protection...

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

In the Linux kernel, the following vulnerabilities have been resolved: ALSA: ac97 – Fixed a possible NULL dereference in sndac97mixer. Smatch error: sound/pci/ac97/ac97codec.c:2354; sndac97mixer error: We previously assumed that ‘rac97’ could be null see line 2072. Removed redundant assignments;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: GPIB – Fixed an Oops after disconnection in agilent USB. If the agilent USB dongle is disconnected, subsequent calls to the driver will cause a NULL dereference Oops, as the businterface is set to NULL upon disconnection...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: Fixed a NULL pointer dereference in cdnspendpointinit In cdnspendpointinit, the function cdnspringalloc is assigned to pep-ring. There is a dereference of this variable in cdnspendpointinit, which could lead to a NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btusb: Fixed a potential NULL dereferencing on a kmalloc failure. Avoid potential NULL pointer dereferences by checking the return value of kmalloc and properly handling allocation failures...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbuscore Fixed NULL pointer dereferencing. Pass i2cclient to pmbusisenabled to remove the assumption that a regulator device is passed in. This will fix the issue of NULL pointer dereferencing when called from pmbusgetfla...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘drm/gem-framebuffer: Use dmabuf from GEM object instance’” This reversion is covered in the commit cce16fcd7446dcff7480cd9d2b6417075ed81065. The dmabuf field in the struct drmgemobject is not stable throughout the lifeti...

Astra Linux – Vulnerability in libmysofa

Incorrect handling of input data in the verifyAttribute function in the libmysofa library version 0.5 to 1.1 can lead to NULL pointer dereferencing and segmentation faults in cases of restrictive memory protection, or NULL pointer overwriting in cases where no memory restrictions exist e.g., in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/client: Do not destroy NULL modes. The modes in drcmclientmodesetprobe may fail to be allocated using kcalloc. If this occurs, we jump to out, and modesDestroy is called on it. This action will dereference modes. This could...