Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: udf: Fixed NULL pointer dereferencing in the udfsymlink function. In the udfsymlink function, epos.bh is assigned the value returned by udftgetblk. The udftgetblk function is defined in udf/misc.c and returns the value of the...

Astra Linux – Vulnerability in libgd2

In the gdImageClone function in gd.c within libgd version 2.1.0-rc2 to 2.2.5, there is a NULL pointer dereferencing issue that allows attackers to crash an application through a specific function call sequence. This issue only affects PHP when it is linked with an external libgd not included as...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: soc: ti: tiscipmdomains: Check for a null pointer return from devmkcalloc. The devmkcalloc allocation function may fail and return a null pointer, which could lead to a null-pointer dereferencing later. It might be better to chec...

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: f2fs: fixed to avoid out-of-boundary access in devs.path - touch /mnt/f2fs/012345678901234567890123456789012345678901234567890123 - truncate -s $102410241024 \ /mnt/f2fs/012345678901234567890123456789012345678901234567890123 -...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relid. relid2channel assumes that the vmbus channel array is already allocated when it is called. However, in situations like kdump/kexec, not all relids will be rese...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Added NULL checks when resetting request and reply queues. The driver encountered a crash during resource cleanup when the reply and request queues were NULL due to freed memory. This issue occurred when the creatio...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Input: psxpad-spi – Set the driver data before use. The psxpadspisuspend function retrieves the controller state using spigetdrvdata, but the probe never stores this state. As a result, the suspend function dereferences a NULL...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cppccpufreq: Fixed a possible null pointer dereferencing issue. The functions cppccpufreqgetrate and hiicppccpufreqgetrate can be called from different locations with various parameters. Therefore, cpufreqcpuget may return null a...

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

In the Linux kernel, the following vulnerability has been resolved: net: rds: Fixed a possible NULL pointer dereferencing issue. In the rdsrdmacmeventhandlercmn function, if the conn pointer exists before dereferencing it as an argument for rdmasetservicetype, a problem was identified. This issue...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue occurs when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and binding the vxcan device to the...

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: ipv6: Added NULL checks for idev in SRv6 paths. in6devget may return NULL when the device has no IPv6 configuration e.g., when MTU is less than IPV6MINMTU, or after NETDEVUNREGISTER. Added NULL checks for idev returned by...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

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

In the Linux kernel, the following vulnerability has been resolved: media: anysee: fixed the null-ptr-deref in anyseemasterxfer. In anyseemasterxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Malicious data will...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: Destroy queues before realnumtxqueues is zeroed xennetDestroyQueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 “net-sysfs: Update the queue counts in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtio-net: The issue of checking the received length in large packets has been fixed. Since commit 4959aebba8c0 “virtio-net: Use the MTU size as the buffer length for large packets”, when the guest gso is disabled, the allocated...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mac802154: fixed the missing INITLISTHEAD in ieee802154ifadd. The kernel fault injection test reports a NULL pointer dereference as follows: BUG: NULL pointer dereferencing in the kernel; address: 0000000000000008 RIP:...

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/amd/display: Avoid NULL dereferencing of the timing generator Why & How Check whether the assigned timing generator is NULL before accessing its functions, to prevent NULL dereferencing...

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: sxgbe: fixed the potential NULL dereference in sxgberx. Currently, when skb is null, the driver prints an error and then dereferences skb on the next line. To fix this, we need to add a ‘break’ after the error message, so th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hwmon: lm90 Only report alarms if the driver is ready. The user space can read sysfs attributes before the driver registration is complete, immediately after the devmhwmondeviceregisterwithinfo function is called. At that time,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: myrs: Fixed a crash in the error case In myrsdetect, cs-disableintr is a NULL pointer when privdata-hwinit fails with a non-zero value. In this case, myrscleanupcs will attempt to dereference a NULL pointer, causing the...