Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vlan: Fixed a memory leak in vlannewlink. The responsible commit added back a bug that I fixed in commit 9bbd917e0bec “vlan: fixed a memory leak in vlandevsetegresspriority”. If a memory allocation fails in vlanchangelink afte...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Fix for queue selection for mesh/OCB interfaces When using iTXQ, the code assumes that there is only one vif queue for broadcast packets, using the BE queue. Allowing non-BE queue marking violates this assumption...

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

In the Linux kernel, the following vulnerability has been resolved: “aio”: fixed the issue with mremap after a fork operation involving null-dereferencing. The commit e4a0d3e720e7 “aio: Makes it possible to remap the aio ring” introduced a null-dereference if mremap is called on an old aio mappin...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: List: Fixed a data race around ep-rdllist. The eppoll function first calls epeventsavailable without holding a lock and checks if ep-rdllist is empty using listemptycareful, which reads from rdllist-prev. Therefore, all access...

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

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fixed a memory leak in the vfioap device driver. The device release callback function invoked to release the matrix device uses the devgetdrvdata function to retrieve the pointer to the vfiomatrixdev object in order...

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

In the Linux kernel, the following vulnerability has been resolved: pcmcia: A NULL pointer dereferencing issue was fixed in iodynfindioregion. In iodynfindioregion, pcmciamakeresource is assigned to res and used in pciBusallocResource. There is a dereferencing of res in pciBusallocResource, which...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gve: Defer the enabling of interrupts until NAPI registration. Currently, interrupts are automatically enabled immediately upon request. This allows interrupts to occur before the associated NAPI context is fully initialized,...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Wipe copies of clear-key structures in case of failure. Wipe all sensitive data from the stack for all IOCTLs that convert a clear-key into a protected-or-secure-key...

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...

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: wifi: ath9k: A range check was added for connrspepid in htcconnectservice. I have also identified the following bugs in my fuzzer: - UBSAN: Array index out of bounds in drivers/net/wireless/ath/ath9k/htchst.c:26:51. Index 255 is...

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: netfilter: xtIDLETIMER: Rejects the reuse of ALARM timer labels in revision 0 rules. In revision 0 rules, reusing timers by label always involves calling modtimer on the uninitialized timer-timer. If the label was created first i...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: usb: pegasus: enable basic endpoint checking The pegasusprobe function fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbrcvbulkpipedev, 1 for RX data - usbsndbulkpipedev, 2 for TX...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - Media: qcom: camss: vfe: Fixed out-of-bounds access in vfeisrregupdate. - Explanation: vfeisr iterates using MSMVFEIMAGEMASTERSNUM7 as the loop boundary and passes the index to vfeisrregupdate. However, the vfe-line array is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Fixed an off-by-one error in the setupnicdevices cleanup routine. In setupnicdevices, the initialization loop jumps to the setupnicdevfree label if a failure occurs. The current cleanup loop whilei-- skips the...

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

A issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x8664 lacks consistency checks for CR0 and CR4...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uSerial: Added a null pointer check in gSerialsuspend Consider a scenario where gSerialdisconnect has already cleared gser-ioport. If gSerialsuspend is called afterward, it will lead to accessing gser-ioport, thereby...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: eventpoll: Deferring the epfree function in eventpoll.c to an RCU callback during a grace period. In certain situations, epfree in eventpoll.c will free the epi-ep structure while it is still being used by another concurrent...

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: scsi: qla4xxx: Add length check when parsing nlattrs There are three places where qla4xxx parses nlattrs: - qla4xxxsetchapentry - qla4xxxifacesetparam - qla4xxxsysfsddbsetparam Each of these functions converts nlattr to a specifi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFS: Fixed a potential buffer overflow in nfssysfslinkrpcclient. The name field is defined as char64, and the size of clnt-clprogram-name remains unknown. Invoking strcat directly will also lead to a potential buffer overflow...

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

In the Linux kernel, the following vulnerability has been resolved: iavf: Fixed a use-after-free in freenetdev. We perform netifnapiadd for all allocated qvectors, but potentially also perform netifnapidel for some of them. Then, we call kfree on the qvectors, leaving invalid pointers in...