Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bug: Unchecked dereferencing of a NULL pointer in the kernel. Address: 0000000000000000 Causes: - ip6rcvcore net/ipv6/ip6input.c:190:20 - ipv6rcv net/ipv6/ip6input.c:306:8 - processbacklog net.core/dev.c:6186:4 - napipoll...

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: zd1211rw: Fixed a potential NULL pointer dereference in zdmactxtodev. There is a potential NULL pointer dereference in zdmactxtodev. For example, the following situation may occur: c T0 T1 zdmactxtodev / len == skbqueuelenq...

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: bcache: fixed a NULL pointer in cachesetFlush 1. LINE1794 – LINE1887 contains code related to the function of bchcachesetalloc. 2. LINE2078 – LINE2142 contains code related to the function of registercacheset. 3. 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: drm/tegra: Fixed a possible null pointer derefrence issue. In tegracrtcreset, new memory is allocated using kzalloc, but no checks are performed. Before calling drmatomichelpercrtcreset, the state of the memory allocation should ...

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: Bluetooth: Fixed null-ptr-deref in l2capsockresumecb. syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar issue that was fixed in commit 1bff51ea59a9 “Bluetooth: fixed use-after-free errors i...

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: dvb-frontends: w7090p: Fixed the nullptrderef issue in w7090ptunerwriteserpar and w7090ptunerreadserpar. In w7090ptunerwriteserpar, msg is controlled by the user. When msg0.buf is null and msg0.len is zero, previous...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid dereferencing a NULL pointer REASON Although unlikely, drmatomicgetnewconnectorstate or drmatomicgetoldconnectorstate may return NULL. SOLUTION Check the return value before dereferencing the variable...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fixed an issue where possible invalid rdp-nocbcbkthread pointers could be accessed. During the preparation phase of CPU online operations, if the rdp-nocbcbkthread does not exist, it will be created. This can lead to a...

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: ice: Fixed a null pointer dereference in icecopyandinitpkg. Added a check on the return value of devmkmemdup to prevent potential null pointer dereferences...

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/sched: ets: using the old ‘nbands’ value while purging unused classes Shuang reported that the schets test case crashes in etsclassqlennotify after recent changes made by Lion 2. The issue arises when performing etsqdiscchang...

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: dvb-frontends: dib7090p: A fix was added for the null pointer dereference in dib7090prwonapb. In dib7090prwonapb, msg is controlled by the user. When msg0.buf is null and msg0.len is zero, previous checks on msg0.buf...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: Fixed doregisterframebuffer to prevent null-ptr-dereference in fbvideomodetovar. If fbaddvideomode in doregisterframebuffer fails to allocate memory for fbvideomode, it will later lead to a null-ptr dereference in...

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: clk: davinci: A NULL check was added in davincilpscclkregister. devmkasprintf returns NULL when memory allocation fails. Currently, davincilpscclkregister does not check for this case, resulting in a NULL pointer being...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: netlink: canchangelink: fixed the NULL pointer dereference of struct canpriv::dosetmode. Andrei Lalaev reported a NULL pointer dereference when a CAN device is restarted from a Bus Off state, and the driver does not implemen...

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

In the Linux kernel, the following vulnerability has been resolved: tee: Fix NULL pointer dereference in teeshmput teeshmput has a NULL pointer dereference: opteedisableshmcache shm = regpairtoptr...; // shm may return NULL teeshmfreeshm; teeshmputshm; // results in a crash Add a check in...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null pointer check in modhdcphdcp1createsession The function modhdcphdcp1createsession calls the function getfirstactivedisplay, but does not check its return value. The return value is a null pointer if the...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Check for hdwq null ptr when cleaning up lpfcvport structure If a call to lpfcsli4readrev from lpfcsli4hbasetup fails, the resulting cleanup routine lpfcsli4vportdeletefcpxriaborted may occur before sli4hba.hdwqs are...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: core: Check for rtd == NULL in sndsocremovepcmruntime sndsocremovepcmruntime may be called with rtd == NULL, which can lead to a null pointer dereference. This issue was reproduced when topology loading occurred and a link...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Destroy KFD debugfs after destroy KFD wq Since the KFD proc content has been moved to kernel debugfs, we cannot destroy KFD debugfs before kfdprocessdestroywq. Moving kfdprocessdestroywq prior to kfddebugfsfini fixes ...

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

In the Linux kernel, the following vulnerability has been resolved: In md/raid10, the issue of null-ptr-deref in raid10syncrequest has been fixed. In initresync, the mempool is initialized, and conf-havereplacemnt is set to 0 at the beginning of the sync process. closesync frees the mempool when...