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: amdgpu: validated offsetinbo of drmamdgpugemva This issue arises due to OOB access in amdgpuvmupdaterange when offsetinbo + mapsize causes an overflow. v2: retained the validations for amdgpuvmbomap v3: added the validations t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fixed inconsistent refcnt updates. An inconsistent update of the refcount was identified in smb2compoundop. Such inconsistent updates could lead to potential resource leaks. Why this is a potential bug: 1. In the comment...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Protection against integer overflows for stack access sizes This patch reintroduces protection against access to stack memory having a negative value. The access size can appear negative due to overflow in its signed integer...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fixed potential memory corruption in childcfsrqonlist. childcfsrqonlist attempts to convert a ‘prev’ pointer to a cfsrq. This ‘prev’ pointer can originate from the struct rqs’s leafcfsrqlist. This conversion is invali...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a use-after-free in the iomap inline data write path The inline data buffer head dibh is released prematurely in gfs2iomapbegin via releasemetapath, while iomap-inlinedata still points to dibh-bdata. This causes a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexec: Enable SMT before waking offline CPUs. If SMT is disabled or a partial SMT state is enabled, when a new kernel image is loaded for kexec, the following warning is observed upon reboot: kexec: Waking offline CPU 228...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KEYS: Trusted – Fixed a memory leak in tpm2loadcmd. tpm2loadcmd allocates a temporary blob indirectly through tpm2keydecode, but the blob is not freed during failure paths. This issue can be addressed by wrapping the blob with 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: bus: fsl-mc: Check the return value of platformgetresource. platformgetresource returns NULL in case of failure. Therefore, check its return value and propagate the error to prevent NULL pointer dereferencing...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RCU: Protect access to rcuprinttaskexpstall - exptasks For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL pointer dereferencing: c CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall ...

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: f2fs: prevents kernel warnings due to negative inlink from corrupted images WARNING: CPU: 1 PID: 9426 at fs/inode.c:417 dropnlink+0xac/0xd0 home/cc/linux/fs/inode.c:417 Modules linked in: CPU: 1 UID: 0 PID: 9426 Comm:...

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: bpf: There is a race condition where irqwork can be queued in bpfringbufcommit, but the ring buffer is freed before the work executes. In the syzbot reproducer, a BPF program attached to schedswitch triggers bpfringbufcommit, whi...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed a possible NULL dereference in amdgpurasqueryerrorstatushelper. Returned an invalid error code -EINVAL for invalid block IDs. The following issues have also been fixed: drivers/gpu/drm/amd/amdgpu/amdgpuras.c:118...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Buffer size aligned upwards. The hardware can support any image size, WxH, with arbitrary W image width and H image height dimensions. The buffer size is aligned upwards for both the encoder and the decoder, whil...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: leds: mlxreg: Use devmmutexinit for mutex initialization In this driver, LEDs are registered using devmledclassdevregister, so they are automatically unregistered after the module’s remove function is called. The...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fixed a warning caused by destroying non-initial netnss. After the commit 5ce2dced8e95 “RDMA/ipoib: Set rtnllinkops for ipoib interfaces”, if the IPoIB device is moved to a non-initial netns, destroying that netns...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The rcubarrier function was called in ksmbdserverexit. The bug is triggered due to racing between closing a connection and the rmmod operation. In ksmbd, rcubarrier is not called at the time of module unloading, so nothing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid using the null object of framebuffer. Instead of directly using state-fb-obj0, obtain the object from the framebuffer by calling drmgemfbgetobj. Return an error code when the object is null to avoid using t...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: 9p: Fixed the fid refcount leak in v9fsvfsgetlink. We now check for protocol versions that are later than required, after a fid has been obtained. Simply move the version check to an earlier stage...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed an issue where invalid dereferencing of rawdata occurred when exportbinary was not set. If the exportbinary parameter is disabled at runtime, profiles that were loaded before that time will still have their...

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: wifi: mac80211: Do not pass a stopped vif to the driver in .gettxpower. Avoid potentially crashing the driver due to uninitialized private data...