Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: fixed an unexpected zeroed page mapping with zram swap In cases where two processes are cloning under CLONEVM, a user process may be corrupted when seeing zeroed pages unexpectedly. CPU A CPU B doswappage doswappage...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpslowstartafteridle. When reading sysctltcpslowstartafteridle, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwc-qos: Disable split header for Tegra194 There is a long-standing issue with the Synopsys DWC Ethernet driver for Tegra194, where random system crashes have been observed 0. The problem occurs when the split header...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtl8xxxu: Added cancelworksync for c2hcmdwork. The workqueue may still be running when the driver is stopped. To avoid a use-after-free, call cancelworksync in rtl8xxxustop...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Handle errors from amdgpucgscreatedevice in amdpowerplaycreate. Add error handling to propagate the failures of amdgpucgscreatedevice to the caller. When amdgpucgscreatedevice fails, release hwmgr and return -ENOMEM t...

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

In the Linux kernel, the following vulnerabilities have been resolved: nvme-fc: The use of lock access to portstate and rportstate was corrected. nvmefcunregisterremote removes the remote port from an lport object at any time when there is no active association. This issue conflicts with the...

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: Wifi: rtl818x: rtl8187: Fixed a potential buffer underflow in rtl8187rxcb. The rtl8187rxcb function calculates the RX descriptor header address by subtracting its size from the skbtailptr. However, it does not validate whether th...

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

A issue was discovered in the drivers/usb/storage/eneub6250.c file for the ENE UB6250 reader driver in the Linux kernel before version 6.2.5. An object could potentially extend beyond the end of an allocation...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs: Check overflow when iterating ATTRRECORDs The kernel iterates over ATTRRECORDS in mft records in ntfsattrfind. Since ATTRRECORDS are adjacent to each other, the kernel can access the next ATTRRECORD from the end address of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fixed locking issues for runtime updates of bcmop. The commit c2aba69d0c36 “can: bcm: added locking for runtime updates of bcmop” added locking for certain variables that can be modified at runtime during the update of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-core: fixed a memory leak in dhchapsecretstore Free the dhchapsecret in nvmectrldhchapsecretstore, before returning. Fixed the following kmemleak: Unreferenced object 0xffff8886376ea800 size 64: Command "check", PID 22048...

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

In the Linux kernel, the following vulnerability has been resolved: media: usbtv: Removed useless locks from usbtvvideofree. The lock-related code in usbtvvideofree is now unnecessary and may cause a deadlock, as reported here: https://syzkaller.appspot.com/x/bisect.txt?x=166dc872180000...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the tunnels section, there’s no need to assume that the macheader is set when using skbtunnelcheckpmtu. The recently added debug in commit f9aefd6b2aa3 “net: warn if mac header was not set” identified a bug in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ata: satadwc460ex: Fixed a crash that occurred due to out-of-bounds writing. The driver utilizes the “tag” values from various arrays provided by libata. Since the mentioned patch increased ATATAGINTERNAL to 32, the value of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate-ut: Fixed a kernel panic that occurred when loading the driver. After loading the amd-pstate-ut driver, the functions amdpstateutcheckperf and amdpstateutcheckfreq use cpufreqcpuget to obtain the CPU’s policy...

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: vlan: do not propagate flags on open With the device instance lock, there is now a possibility of a deadlock: 1.211455=========================================== 1.211571WARNING: possible recursive locking detected...

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: dvbdev: The risk of out-of-memory access has been prevented. The dvbdev module contains a static variable used to store dvb minors. Its behavior depends on whether CONFIGDVBDYNAMICMINORS is set or not. When it is not set,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: atmel-mci: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

Astra Linux – Vulnerability in Linux-Firmware

Improper input validation in some IntelR Graphics Drivers for Windows before version 26.20.100.7212 and before the Linux kernel version 5.5 may allow a privileged user to potentially enable a denial of service via local access...