Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: brd: Automatic disk creation is deferred until module initialization succeeds. My colleague Wupeng identified the following issues during fault injection: BUG: Unable to handle page faults for address: fffffbfff809d073 PGD:...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: Skip non-Ethernet packets Currently, tcfskbmodact assumes that packets use Ethernet as their L2 protocol, which is not always the case. For example, for CAN devices: bash $ ip link add dev vcan0 type vcan $ ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: misc: microchip: pci1xxxx: A double-free operation occurred during error handling of gpauxbusprobe. When auxiliarydeviceadd returns an error, it then calls auxiliarydeviceuninit. The callback function gpauxiliarydevicerelease cal...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: aqc111: Do not perform PM inside suspend callback syzbot reports “task hung in rpmresume” This issue is caused by aqc111suspend calling the PM variant of its writecmd routine. The simplified call trace looks like this:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: Prevention of out-of-bounds read in mvnetaconfigrss The value of pp-indir0 comes from the user. It is passed to the function mvnetapercpuelect. Inside this function, there is a check to ensure that the value does not...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Platform/x86: toshibahaps: Fixed memory leaks in the add/remove routines. - toshibahapsadd leaks the haps object allocated by it if an error occurs after successfully allocating that object. - toshibahapsremove does not free t...

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

In the Linux kernel, the following vulnerabilities have been resolved: nvme-pci: added a missing condition check to determine the existence of the mapped data. The function nvmemapdata is called when the request contains physical segments; therefore, the function nvmeunmapdata should also have th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: vertexcom: mse102x: Fixed a possible double-free of TXskb The scope of TXskb is broader than just mse102xtxframespi; therefore, if the TXskb memory needs to be expanded, we should free the temporary skb instead of the origin...

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

In the Linux kernel, the following vulnerability has been resolved: md/raid5: Fixed a deadlock issue where raid5d waits for MDSBCHANGEPENDING to be cleared. Xiao reported that the lvconvert-raid-takeover.sh test can hang with a small possibility. The root cause is the same as in the commit...

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: RDMA/rtrs: Ensure that the ‘ibsge list’ is accessible. Move the declaration of the ‘ibsge list’ variable outside the ‘alwaysinvalidate’ block to ensure that it remains accessible for use throughout the function. Previously, 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: genirq/cpuhotplug, x86/vector: Prevents vector leaks during CPU offline states. The absence of IRQDMOVEPCNTXT prevents immediate effectiveness of interrupt affinity reconfiguration via procfs. Instead, the change is deferred unti...

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

In the Linux kernel, the following vulnerability has been resolved: media: imx: csc/scaler: fix v4l2ctrlhandler memory leak The memory allocated in v4l2ctrlhandlerinit is freed upon release...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Returns a CQE error if an invalid lkey is provided. RXE fails to update the WQE status in cases of LOCALwrite failures. This caused the following kernel panic if someone executed an atomic operation with an explicitl...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/sti: Avoid potential dereferencing of error pointers. The return value of drmatomicgetcrtcstate needs to be checked. This is done to prevent the use of the error pointer ‘crtcstate’ in case of a failure...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel up to 5.15.2, mwifiexusbrecv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker who can connect a crafted USB device to cause a denial of service skboverpanic...

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

In the Linux kernel, the following vulnerability has been resolved: EFI: Fixed a potential NULL dereference in efememreservepersistent. When iterating over a linked list, the result of memremap is dereferenced without checking if it is NULL. This patch adds a check that falls back to allocating a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/qcom/lmh: Check for SCM availability at probe. Until now, the necessary check for SCM availability had not been performed, which could lead to null pointer dereferences which actually happened to me on RB1. This...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fixed a potential memory leak in kmemcacheopen. In the error path, the slub cache’s randomseq value might be leaked. This issue was addressed by using kmemcacherelease to release all relevant resources...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetrbtree: fixed a null dereference issue when inserting elements into the RBTree structure. There is no guarantee that rbprev will not return NULL in nftrbtreegcelem: General protection faults, likely due to an...

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: perf: It is now required that CAPSYSADMIN be present for uprobes. Jann reports that uprobes can be used destructively when they are used in the middle of an instruction. The kernel only verifies that there is a valid instruction ...