Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/omap: fixed the NULL but dereferenced coccicheck error. Fixed the following coccicheck warning: ./drivers/gpu/drm/omapdrm/omapoverlay.c:89:22-25: ERROR: rovl is NULL, but it was dereferenced. The correct value should be ovl-i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp Check for null before removing sysfsattrs. If coretempaddcore encounters an error, pdata-coredataindx is already NULL and has been freed. Do not pass this value to sysfsremovegroup, as it will cause a crash in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Protection against accessing NULL pt regs in bpfgettaskstack The taskptregs function can return NULL on the powerpc architecture for kernel threads. This NULL value is then used in bpfgetstack to check for the user mode...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: mxsfb: Fix NULL pointer dereference mxsfb should never dereference a NULL pointer, as drmatomicgetnewbridgestate may return such a pointer. Instead, a fixed format should be used instead...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bonding: fix NULL deref in bondrrgenslaveid Fix a NULL dereference of the struct bonding.rrtxcounter member because if a bond is initially created with an initial mode != zero Round Robin the memory required for the counter is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: never allow the PM to close a listener subflow Currently, when deleting an endpoint, the netlink PM traverses all local MPTCP sockets, regardless of their status. If an MPTCP listener socket is bound to the IP correspondin...

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: tee: amdtee: fixed an issue where ISERR returned NULL instead of an error pointer. The getfreepages function does not return error pointers; it returns NULL instead. Therefore, this condition needs to be corrected to avoid NUL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Protect the driver from buggy firmware When processing port up/down events generated by the device’s firmware, the driver attempts to protect itself from events reported for non-existent local ports. However, it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: ioctl: fixed a potential NULL dereference in ethtoolsetcoalesce. ethtoolsetcoalesce now uses both .getcoalesce and .setcoalesce callbacks. However, the check for their availability is buggy. Therefore, changing the...

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

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: mux: Added checks and calls to kstrdup. A check is performed on the return value of kstrdup; if it fails, an error is returned to avoid NULL pointer dereferencing. Additionally, kfree is used in the subsequent error...

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: cpufreq: brcmstb-avs-cpufreq – added a check for the return value of cpufreqcpuget. cpufreqcpuget may return NULL. To avoid NULL-reference checks, it should return 0 in case of an error. This issue was identified by the Linux...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix command flush on cable pull The system crashed due to a command failing to be flushed back to the SCSI layer. BUG: Unable to handle a NULL pointer dereferencing in the kernel at 0000000000000000 PGD 0 P4D 0...

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

A race condition was detected in the Bluetooth device driver of the Linux kernel’s min,maxkeysizeset function. This can lead to a null pointer dereferencing issue, potentially causing a kernel panic or a denial-of-service attack...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: usb: sunplus: Fix for a potential null-ptr-dereference in spusb PhyProbe. spusb PhyProbe will call platformgetresourcebyname, which may fail and return NULL. devmioremap will use usbphy-moon4resmem-start as an input, which m...

Astra Linux – Vulnerability in vtk6, vtk7

There is a NULL pointer dereference vulnerability in VTK before 9.2.5. This vulnerability resides in the file IO/Infovis/vtkXMLTreeReader.cxx. The vendor did not check the return value of the libxml2 API function ‘xmlDocGetRootElement’, and tried to dereference that NULL pointer. This is unsafe, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not allow journal inode to have the encrypt flag Mounting a filesystem whose journal inode has the encrypt flag causes a NULL dereference in fscryptlimitioblocks when the ‘inlinecrypt’ mount option is used. The problem i...

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 vulnerabilities have been resolved: RDMA/hns: Fixed a NULL pointer issue in freemrinit. A lock grab occurs in a concurrent scenario, resulting in dereferencing a NULL pointer. This issue should be addressed by calling initmutexinit before using the lock. Unable ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fixed a NULL crash in the shrinker function when cgroupdisable=memory is set. Christian reported a NULL dereference in zswap; he was able to trace the issue back to the zswap shrinker function. This issue also appeared...