Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: isp116x – a memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: trace/blktrace: A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also call dput, otherwise a memory leak will occur over time. To simplify things, simply call debugfslookupandremove, whi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/q54sj108a2 Fixed a stack overflow issue in the debugfs read operation. The q54sj108a2debugfsread function suffers from a stack buffer overflow due to incorrect arguments being passed to bin2hex. Currently, the functi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mac80211: Fixed an underflow in staticbranchdec for aqldisable. syzbot reported an underflow in staticbranchdec in aqlenablewrite. 0 The issue arises because aqlenablewrite does not serialize concurrent write operations ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fixed the error code in iwlopmodedvmstart The error code should be preserved if iwlsetupdeferredwork fails. The current code returns ERRPTR0 which is NULL at this point. I believe that the missing error code could...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: isp1362 – A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must be processed with dput, otherwise a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau/debugfs: fixed the memory leak when releasing files. When using singleopen to open a file, singlerelease should be called. Otherwise, the memory allocated with singleopen may be leaked...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: mcc: preventing shift wrapping in rtw89coremlsrswitch The value of “linkid” comes from the user via debugfs. If it is larger than BITSPERLONG, it will result in shift wrapping, potentially leading to out-of-bounds...

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

In the Linux kernel, the following vulnerability has been resolved: Audit: Fixed a possible soft lockup in audit inode child. Tracefs or debugfs might cause hundreds to thousands of PATH records. Too many PATH records might lead to a soft lockup. For example: 1. CONFIGKASAN=y && CONFIGPREEMPTION=...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: uhci: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in i40edbgdumpdesc. When attempting to dump VFs using debugfs, a crash occurred due to NULL pointer dereferencing in i40edbgdumpdesc. A check was added to i40edbgdumpdesc to ensure that the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Create the ttmresourcemanager entry in debugfs only if necessary. The driver creates /sys/kernel/debug/dri/0/mobttm even when the corresponding ttmresourcemanager is not allocated. This leads to a crash when trying to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: pcnuart: A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also call dput on it; otherwise, a memory leak will occur over time. To simplify things, simply call debugfslookupandremove...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Free all thermal zone debug memory upon removing a zone Since thermaldebugtzremove does not free all the memory allocated for thermal zone diagnostics, some of that memory becomes unreachable after freeing the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Added missing gfx11 MQD manager callbacks. The mqdstride function was introduced in commit 2f77b9a242a2 "drm/amdkfd: Update MQD management on multi XCC setup", but it wasn’t assigned to gfx11. This issue is fixed by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: grudc: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be processed by calling dput; otherwise, a memory leak will occur over time. To simplify things, simply...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: core: Fixed a use-after-free in sndsocexit. KASAN reported a use-after-free: BUG: KASAN: use-after-free in devicedel+0xb5b/0xc60. Size 8 was read at addr ffff888008655050 by task rmmod/387. CPU: 2 PID: 387 Comm: rmmod...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/debug: The issue of dentry leaks during the updatescheddomaindebugfs function has been fixed. Kuyo reports that the pattern of using debugfsremovedebugfslookup causes a dentry leak. With a hotplug stress test, the machine...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Prevent a use-after-free from occurring after the cdev removal. Since thermaldebugcdevremove does not run under cdev-lock, it can run in parallel with thermal Debugcdevstateupdate. This may free the struct therma...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: bcm63xxudc: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be processed by calling dput; otherwise, a memory leak will occur over time. To simplify things, simply call...