Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: filemap: Handle sibling entries in filemapgetreadbatch. If a read race occurs with an invalidation followed by another read, it is possible for a folio to be replaced with a higher-order folio. If this happens, we will see a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: delluartbacklight: Fixed the race condition involving serdev. The delluartblserdevprobe function calls devmserdevdeviceopen before setting the client ops using serdevdevicesetclientops. This ordering can lead to a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/plane: Fixed the return value of createinformatblob createinformatblob is supposed to return a valid pointer or an error; it should never return NULL. The caller will dereference the blob if there is no error, and thus will...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-throttle: Fixed an access race issue during the activation of the throttle policy. Upon repeated cold boots, we occasionally encounter a NULL pointer crash in blkshouldthrotl, when checking the throttle policy before the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix tc flower deletion for VLAN priority Rx steering To replicate the issue: 1 Add a tc flower filter for VLAN Priority-based frame steering: $ IFDEVNAME=eth0 $ tc qdisc add dev $IFDEVNAME ingress $ tc qdisc add dev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: vxlan: Prevent NULL dereferencing in vxlanxmitone. Neither sock4 nor sock6 pointers are guaranteed to be non-NULL in vxlanxmitone, especially if the iface is disabled. This can lead to the following NULL dereferences: -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/msgring: A NULL pointer dereference occurred in iomsgsendfd. Syzkaller produced the following call trace: BUG: KASAN: NULL pointer dereference in iomsgring+0x3cb/0x9f0 A value of 8 was written to address 0000000000000070 ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: initbioset in mddevinit. IO operations may be required before mdrun, such as updating metadata after writing to sysfs. Without bioset, this triggers a NULL pointer dereference, as shown below: BUG: NULL pointer dereference in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915: The issue of NULL pointer dereferencing was addressed by checking newcrtcstate. intelatomicgetnewcrtcstate may return NULL, unless the crtc state was previously obtained using intelatomicgetcrtcstate. Therefore, we must...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cgroup/dmem: Fixed a NULL pointer derefrence issue when setting the max value. The following issue was triggered: BUG: NULL pointer derefrence in the kernel; Address: 0000000000000000 PF: Supervisor read access in kernel mode...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: fix filter idr initialization The referenced commit moved the idr initialization too early in flchange, which allows concurrent users to access the filter that is still being initialized and is in an inconsiste...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Avoid NULL pointer dereferencing in aerratelimit When platform firmware provides error information to the OS, for example, via the ACPI APEI GHES mechanism, it may identify a device that does not advertise an AER...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fixed a null pointer dereference issue when restoring bandwidth counters. When a MSC that supports memory bandwidth monitoring is brought offline and then brought back online, the mpamrestorembwustate function calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the net: dsa section, there is a fix for dereferencing a NULL pointer in dsaportresetvlanfiltering. The “ds” iterator variable used in dsaportresetvlanfiltering overwrites the “dp” parameter received as an argument, which is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: The “end” field should be set correctly when performing batch carry operations. Although the test suite covers this issue, it was somehow overlooked that this behavior was incorrect. The test...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix potential null dereferencing in ext4mbinit In ext4mbinit, ext4mbavgfragmentsizedestroy may be called when sbi-smbavgfragmentsize remains uninitialized e.g., if the groupinfo slab cache allocation fails. Since...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: dsi: Store driver data before invoking mipidsihostregister The call to mipidsihostregister triggers a callback to mtkdsibind, which uses devgetdrvdata to retrieve the mtkdsi struct. Therefore, this structure must be...

Astra Linux – Vulnerability in Linux 5.10

A NULL pointer dereference issue was discovered in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, resulting in a kernel oops condition that causes a denial of service...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: avoid panic on init failure In the event of an error during initialization, inhwrestart will be set, but it will never be cleared. Instead, we will retry the initialization process. However, we will act as if ...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: usb: legacy: ncm: Fixed an NPE in gncmBind. The commit 56a512a9b410 “usb: gadget: fncm: Aligned netdevice lifecycle with bind/unbind” deferred the allocation of the netdevice. This change results in a NULL pointer derefrence in t...