Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fixed a refcount leak in gfargettsinfo The offindcompatiblenode function returns a node pointer with the refcount incremented. We should use ofnodeput on it after processing. Also, add the missing ofnodeput to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: x86/sgx: Fixed a deadlock in the SGX NUMA node search process. When the current node does not have an EPC section configured by the firmware, and all other EPC sections are used up, the CPU can get stuck inside the while loop...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvme-pci: fixed the mempool allocation size. The maximum size was converted to bytes to match the units of the divisor that calculates the worst-case number of PRP entries. This result is used to determine how many PRP lists a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Initialize sccindex in unixaddedge. Quang Le reported that the AFUNIX GC could garbage-collect a receive queue of an alive in-flight socket, with a detailed repro. The repro consists of three stages. 1 Create a single...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Invalid parameter check in msmdsiPhyEnable The function performs a check on the “phy” input parameter, however, it is used before the check. The “dev” variable is initialized after the sanity check to avoid a possibl...

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

In the Linux kernel, the following vulnerability has been resolved: dma: Fixed the call order in dmamfreecoherent. dmamfreecoherent frees a DMA allocation, making the freed vaddr available for reuse. Then, it calls devresDestroy to remove and free the data structure used to track the DMA...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Of: overlay: Early call to callchangesetinit When ofoverlayfdtapply fails, the changeset may be partially applied. It is still expected that the caller will call ofoverlayremove to clean up this partial state. However,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi.debug: A sanity check was performed to ensure that the block descriptor length in respmodeselect was valid. BUG: KASAN: A use-after-free condition occurred in respmodeselect+0xa4c/0xb40, located in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: rds: Do not hold the sock lock when canceling work from rdstcpresetcallbacks. The syzbot is reporting a lockdep warning at rdstcpresetcallbacks, for the commit ac3615e7f3cffe2a “RDS: TCP: Reduce code duplication in...

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: scsi: qla4xxx: This issue prevents the possible dereferencing of error pointers. The qla4xxxgetepfwdb function is supposed to return NULL in case of an error. However, qla4xxxepconnect returns error pointers. Passing these error...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192e: Fixed a deadlock in rtllibbeaconsstop. There is a deadlock in rtllibbeaconsstop, as shown below: Thread 1 | Thread 2 | rtllibsendbeacon rtllibbeaconsstop | modtimer spinlockirqsave //1 | Wait for a whi...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: asix: Proper error handling for USB read errors has been added. The Syzbot issue with the asix driver remains the same. The problem is still present—the asixreadcmd function reads fewer bytes than requested by the caller...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed the memory leak in resetmethodstore In resetmethodstore, a string is allocated via kstrndup and assigned to the local variable “options”. Then, options is used with strsep to find spaces: c while name = strsep&options,...

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

In the Linux kernel, the following vulnerability has been resolved: BPF: Do not allow BPF test infra to emit invalid GSO types to the stack. Yinhao et al. reported that their fuzzer tool was able to trigger the skbwarnbadoffload function from netifskbfeatures - gsofeaturescheck. When a BPF progra...

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: posix-cpu-timers: A race condition between handleposixcputimers and posixcputimerdel has been fixed. If a task that exits without autoreaping has already called exitnotify and calls handleposixcputimers from the IRQ, it can be...

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: net: gso: fix ownership in udpgsosegment In udpgsosegment, the skb destructor is removed before segmenting the skb, but the reference to the socket remains intact. This issue arises if the original skb becomes orphaned later, as ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gpio: sifive: Fix the refcount leak in sifivegpioprobe. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add ofnodeput to avoid the...

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

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a use-after-free issue in ext4findextent when using bigalloc with inline data. Syzbot identified the following issue: - loop0: A change in capacity was detected, from 0 to 2048. - EXT4-fs loop0: The filesystem...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed pcideviceispresent for VFs by checking PF. pcideviceispresent previously did not work for VFs because it read the Vendor and Device ID, both of which are 0xffff for VFs, implying that these devices are not present...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.11.x. The kernel/bpf/verifier.c file contains unwanted out-of-bounds speculation during pointer arithmetic operations, which allows for side-channel attacks that circumvent Spectre mitigations and extract sensitive information from kern...