Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-pcm: Added a NULL check in BE reparenting. A NULL check was also added to the dpcmbereparent API, to handle kernel NULL pointer dereferencing errors. This issue occurred during fuzzing tests...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential null-ptr-dereference in tracearray in kprobeeventgentestexit When testgenkprobecmd fails after kprobeeventgencmdend, it will go to delete, which will call kprobeeventdelete and release the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed the warning related to sk-skforwardalloc in skstreamkillqueues. When running testsockmap in selftests, the following warning appears: WARNING: CPU: 2 PID: 197 at net/core/stream.c:205...

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

In the Linux kernel, the following vulnerability has been resolved: The issue lies in ofparsephandlewithargsmap. In this function, the inner loop that iterates through the map entries calls ofnodeputnew to free the reference acquired during the previous iteration of the inner loop. This assumes...

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

In the Linux kernel, the following vulnerability has been resolved: locking/wwmutex/test: Fixed potential corruption of the workqueue. In some cases, when running with the test-wwmutex code, I observed unusual behaviors where, sometimes, flushworkqueue seemed to return before all work threads had...

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: media: vidtv: Terminating the subsequent process due to initialization failure. syzbot reported a slab-use-after-free error in vidtvmuxinit. After PSI initialization fails, the si member is accessed again, resulting in this...

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: padata: fixed UAF in padatareorder A bug was found when running the ltp test: BUG: KASAN: slab-use-after-free in padatafindnext+0x29/0x1a0 A read of size 4 at addr ffff88bbfe003524 was performed by task kworker/u113:2/3039206 CPU...

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

In the Linux kernel, the following vulnerability has been resolved: BPF: Do not allow BPF test infra to emit invalid GSO types to the stack. Yinhao et al. reported that their fuzzer tool was able to trigger the skbwarnbadoffload function from netifskbfeatures - gsofeaturescheck. When a BPF progra...

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: comedi: aioiiro16: Fix bit shift out of bounds When checking for a supported IRQ number, the following test is used: c if 1 options1 & 0xdcfc However, it-optionsi is an unchecked int value from the user space, so the shift amount...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Misc: pciendpointtest: Fixed the panic that occurs when calling pciendpointtestcopy,write,read The dmamapsingle function does not allow zero-length mappings. This causes a panic. A panic was reported on the arm64 architecture:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential nullptrdereference issue in traceeventfile in kprobeeventgentestexit. When tracegeteventfile fails, genkretprobetest will be assigned as the error code. If the kprobeeventgentest module is remov...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed the call trace in setuptxdescriptors. After a PF reset and the use of ethtool -t, there was a call trace in dmesg. Sometimes this led to a panic. After some time, approximately 5 seconds, between a reset and a test...

Astra Linux – Vulnerability in sudo

The “sudoedit” personality of Sudo before version 1.9.5 might allow a local unprivileged user to perform arbitrary directory existence tests by exploiting a race condition in the “sudoedit.c” code, which allows a user-controlled directory to be replaced with a symlink pointing to an arbitrary pat...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: akcipher – default implementation for setting a private key Changes from v1: - The default implementation of setpubkey was removed. It is assumed that an implementation must always have this callback defined, as there are...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: mm: Added definitions for p?dleaf When I perform the LTP test, the LTP test case ksm06 caused a panic at breakksmpmdentry - pmdleaf Huge page table, but False - ptepresent panic The reason is that pmdleaf is not define...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommu/amd/iommuv2: Fixed the issue where the refcount for pasidstate was decremented to 0 during pasid unbind. When pasid is unbound, there is a race condition related to outstanding page faults. To prevent this, the pasidstate...

Astra Linux – Vulnerability in Chromium

Before version 101.0.4951.41, using free after in the Ozone browser extension in Google Chrome allowed a remote attacker to potentially exploit heap corruption by running a Wayland test...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: tty: fixed a possible nullptrdefer issue in spkttyiorelease. Run the following tests on the qemu platform: syzkaller: modprobe speakupaudptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: A memory leak was fixed in testgensynthcmd and testemptysynthevent. In testgensynthcmd, the buffer is freed only in the “fail” path. Therefore, the buffer may be leaked when there is no failure. Adding kfreebuf preven...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, testrun: Fixed an alignment issue in bpfprogtestrunskb. We encountered a syzkaller issue due to an alignment fault for aarch64 architectures when KFENCE is enabled. When the size provided by the user’s bpf program is an o...