Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: Fixed a memory leak in tcindexsetparms. Syzkaller reports a memory leak as follows: ==================================== BUG: Memory leak Unreferenced object: 0xffff88810c287f00 size 256 Comm “syz-executor105”, pid...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: ocelot: fixed a system hang on level-based interrupts The current implementation only calls chainedirqenter and chainedirqexit if it detects pending interrupts. However, in cases where GPIO pins are configured in leve...

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

In the Linux kernel, the following vulnerability has been resolved: x86: stopped playing “stack games” in the profilepc function. The profilepc function is used for timer-based profiling, which isn’t really that relevant anymore. It also makes assumptions about the stack layout that may not be...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Fix for use-after-free due to race condition with dev replace When loading the information of a zone during the creation of a block group, we may encounter a race condition with the device replace operation. This c...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ixgbe: fixed the refcount leak for PCI devices As stated in the comment for pcigetdomainbusandslot, it returns a PCI device with the reference count incremented. When using this device, the caller must decrement the reference...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix access violation during port device removal Testing with KASAN and syzkaller revealed a bug in the port.c file: the disablestore function can return NULL if the hub to which the port belongs is removed concurrently...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the bpf code, the splat operation in skbpullreason can cause an issue. The syzkaller build with CONFIGDEBUGNET=y frequently triggers a debug message in skbmaypull. We would like to keep this debug check because it might indica...

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: at76c50x – Fixed the use of resources after freeing the pointer in at76disconnect. The memory pointed to by priv is freed at the end of the at76deletedevice function using ieee80211freehw. However, the code then accesses th...

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/radeon: A problem with uninitialized size values was fixed in radeonvcecsparse. In the unlikely event that the command stream passed from user space via the ioctl call to radeonvcecsParse is maliciously crafted, and the first...

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: mlxsw: spectrumacltcam: Fixed a possible use-after-free during rehash. The rehash process delays the migration of filters from one region to another based on the number of available credits. If the number of credits is...

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

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: A memory leak was fixed during the rehash operation. The rehash operation delays the migration of filters from one region to another. This is achieved by iterating over all chunks all filters with the same...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfmac: A slab-out-of-bounds read occurred in brcmfgetassocies. This bug could occur when associnfo-reqlen, which is a value from a URB provided by a USB device, is larger than the size of the buffer, which is defined as...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipvlan: Added a helper function for ipvlanroutev6outbound. This was inspired by reports from syzbot, which used multiple ipvlan devices in their stacks. The stack size required in ipvlanprocessv6outbound was reduced by moving...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: s5p-mfc: Clearing workbit to handle error conditions During an error with the CLOSEINSTANCE command, ctxworkbits wasn’t cleared. Subsequently, dereferencing a NULL pointer in this context led to kernel panic. This patch...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: PCI/MSI: Fixed UAF in msicapabilityinit. KFENCE reported the following UAF: Bug: KFENCE: use-after-free read in pcienablemsirange+0x2c0/0x488. Use-after-free read at 0x0000000024629571 in kfence-12: pcienablemsirange+0x2c0/0x4...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: use trygetops in tpm-space.c As part of the series of changes to remove nested TPM operations: https://lore.kernel.org/all/[email protected]/ The exposure of the chip-tpmmutex was removed...

Astra Linux – Vulnerability in Linux 5.10, Linux

Before version 5.17.9, the Linux kernel allowed TCP servers to identify clients by observing which source ports were used. This occurs due to the use of Algorithm 4 "Double-Hash Port Selection Algorithm" from RFC 6056...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83791d Fixed NULL pointer dereferencing by removing unnecessary structure fields. If the driver reads a value that is sufficient for the condition: val & 0x08 && !val & 0x80 && val & 0x7 == val 4 & 0x7 then NULL pointer...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: phy: qcom-qmp: fixed the reset-controller leak in cases of probe errors. Be sure to release the lane reset controller in case of a late probe error e.g., probe deferral...

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

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fixed stack corruption When tc filters are first added to a network device, the corresponding local port is bound to an ACL group within the device. This group contains a list of ACLs, and each ACL points ...