Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: added a missing boundary check in vmaccess A missing bounds check in vmaccess can lead to an out-of-bounds read or write in the adjacent memory area. This occurs because the len attribute is not validated before the...

Astra Linux - уязвимость в linux-5.15

A out-of-bounds memory read flaw was discovered in the parseleasestate function within the KSMBD implementation of the in-kernel Samba server and CIFS in the Linux kernel. When an attacker sends the CREATE command along with a malformed payload to KSMBD, due to a lack of checks on the NameOffset...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: Media: MediTech: vcodec – Added a lock to protect the decoder context list. Added a lock for the ctxlist to prevent accessing a NULL pointer within the ‘vpudecipihandler’ function when the ctxlist is deleted due to an unexpect...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: hifusb: A memory leak in urbs has been fixed in ath9khifusbdealloctxurbs. Syzkaller reported a well-known leak of urbs in ath9khifusbdealloctxurbs. The cause of the leak is that usbgeturb is called, but usbfreeurb or...

Astra Linux - уязвимость в linux-5.10, linux

A issue was discovered in the Linux kernel through version 5.16-rc6. The function netvscgetethtoolstats in the drivers/net/hyperv/netvscdrv.c file lacks a check on the return value of kvmallocarray, which can lead to a null pointer derefrence...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mt76: mt7996: Added a NULL check in mt7996thermalinit. devmkasprintf may return a NULL pointer if it fails, but this returned value in mt7996thermalinit is not checked. Add a NULL check in mt7996thermalinit to handle the...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: - usb: dwc2: gadget: Fixed the mismatch between spinlock and unlock calls in dwc2hsotgudcstop. - dwc2gadgetexitclockgating internally calls the callgadget macro. This macro expects hsotg-lock to be held since it performs...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from htablockbucket to userspace In the function htabmaplookupanddeletebatch, if htablockbucket returns -EBUSY, the operation proceeds to the next bucket. Moving to the next bucket may not only silently skip...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a use-after-free in ksmbdclosefd, through the use of a durable scavenger mechanism. When a durable file handle persists after a session disconnection TCP connection closed without SMB2LOGOFF, sessionfdcheck sets...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: zram: Fixed the race condition involving slot write operations. Parallel concurrent writes to the same zram index result in the zsmalloc handles being leaked. Schematically, it looks like this: CPU0 CPU1 zramslotlock zsfree...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: caif: A memory leak has been fixed in cfctrllinkuprequest. When linktype is unknown, or kzalloc fails in cfctrllinkuprequest, pkt is not released. Add a release process to the error handling logic...

Astra Linux - уязвимость в linux-5.10, linux

A flaw was discovered in the Linux kernel’s networking code. A use-after-free occurred in the way the schsfb enqueue function utilized the socket buffer SKB cb field after the same SKB had been enqueued and freed into a child qdisc. This flaw allows a local, unprivileged user to cause a system...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: fixed a potential UAF issue in setcigparamssync. The lookup of hciconn and field access must be covered by the hdev lock in setcigparamssync. Otherwise, it’s possible that hciconn may be freed concurrently...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: dm: call the resume method on internal suspend There was a reported crash when experimenting with the lvm2 test suite. The issue was caused by incorrect pairing of the postsuspend and resume methods; there were two consecutive...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: possible double-free of cctx-remoteheap The function fastrpcinitcreatestaticprocess may free the memory allocated to cctx-remoteheap during the errmap path, but does not clear the pointer pointing to that memory...

Astra Linux - уязвимость в linux-5.10

A flaw was discovered in btrfsgetrootref in fs/btrfs/disk-io.c within the btrfs filesystem of the Linux kernel, due to a double decrement of the reference count. This issue may allow a local attacker with user privileges to crash the system or may lead to the leakage of internal kernel informatio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: seccomp: Move copyseccomp to the no-failure path. Our syzbot instance reported memory leaks in doseccomp, similar to the reports 1. This indicates that we are failing to properly free the struct seccompfilter and some objects...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: bpf, cpumap: Handle skb as well when cleaning up ptrring. The following warning was reported when running xdpredirectcpu with both skbmode and stressmode enabled: ------------ Cut here ------------ Incorrect XDP memory type...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Counter: rz-mtu3-cnt: Do not use the dev member of the struct rzmtu3channel. The counter driver can use HW channels 1 and 2, while the PWM driver can use HW channels 0, 1, 2, 3, 4, 6, 7. The dev member is assigned both by the...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM’s integrated assembler would incorrectly byte-swap NOPs when compiling for big-endian, and the resulting bytes happened to match the...