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

In the Linux kernel, the following vulnerability has been resolved: block/rnbd-srv: Check for unlikely string overflows Since “devsearchpath” can technically be as large as PATHMAX, there was a risk of truncation when copying it and a second string into “fullpath”—since “fullpath” is also sized a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: udf: Fixed a slab-out-of-bounds write bug in udffindentry Syzbot reported a slab-out-of-bounds Write bug: loop0: A capacity change from 0 to 2048 was detected. ==================================================================...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the bug in estreesearch caused by a faulty quota inode We have the following issues: ========================================= Kernel bug in fs/ext4/extentsstatus.c:202! Invalid opcode: 0000 1 PREEMPT SMP CPU: 1 PI...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: connac: Do not check WED status for non-MMIO devices WED is only supported for MMIO devices. Therefore, do not check it for USB or SDIO devices. This patch fixes the crash reported below: 21.946627 wlp0s3u1i3:...

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

A race condition was detected in the Bluetooth device driver of the Linux kernel’s min,maxkeysizeset function. This can lead to a null pointer dereferencing issue, potentially causing a kernel panic or a denial-of-service attack...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Timekeeping: The leap state of the auxiliary timekeeper must be adjusted to the correct value. When the doajdtimex function was introduced to handle adjtimex for any timekeeper, this reference to tkcore was not updated. When this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfs: Return EISDIR when nfs3proccreate is called, if dalias is a directory alias. If we find an alias through nfs3docreate/nfsaddorobtain/dsplicealias that turns out to be a directory dentry, we do not return any errors and simpl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: The xid leak in cifscopyfilerange has been fixed. If the file is used by swap, before returning -EOPNOTSUPP, the xid should be freed. Otherwise, the xid will be leaked...

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: bpf, sockmap: Fixed the race condition involving skb after locking changes. There is a race condition where the skb from the skpsockbacklog can be referenced after the user-space side has already consumed the skbuff using...

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

In the Linux kernel, the following vulnerabilities have been resolved: ARM: Tegra – Use I/O memcpy to write to IRAM The Kasan vulnerability causes the kernel to crash when attempting to check boundaries using the normal memcpy...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: Wait until all skuserdata readers complete their operations before releasing the sock. There is a race condition in vxlan where, when deleting a vxlan device during packet reception, there is a possibility that the so...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/stat: Deallocating the damoncall function fails, resulting in the damonctx object being leaked. The damonstatstart function always allocates the module’s damonctx object damonstatcontext. However, if the damoncall functi...

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

In the Linux kernel, the following vulnerability has been resolved: net: core: The unnecessary framesz check in bpfxdpadjusttail has been removed. Syzkaller reported the following issue: ======================================= “Too big” – xdp-framesz = 131072 WARNING: CPU: 0, PID: 5020, at...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Synchronize the IOCB count to be in order A system hang was observed with the following call trace: BUG: Kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: 0000 1 PREEMPT SMP NOPTI CPU: 15...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Fixed the issue of information leakage due to DMAFROMDEVICE. The problem I’m addressing was discovered during the LTP test covering cve-2018-1000204. A brief description of what happens is as follows: 1 The test case sen...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Free releases resources after coalescing. The releaseresource function does not actually free the resource or the resource list. To avoid a leak, the resource list entry is freed instead...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: The refcount leak in offlashprobeversatile has been fixed. The function offindmatchingnodeandmatch returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer when it is no longer needed...

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: jfs: fixed an invalid free of JFSIPipimap-iimap in diUnmount. syzbot detected an invalid-free in diUnmount: BUG: KASAN: double-free in slabfree mm/slub.c:3661 inline BUG: KASAN: double-free in kmemcachefree+0x71/0x110...

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

In the Linux kernel, the following vulnerabilities have been resolved: netlink: Annotate accesses to nlk-cbrunning Both netlinkrecvmsg and netlinknativeseqshow read nlk-cbrunning without locking it. Use READONCE in those functions. Add corresponding WRITEONCE to netlinkdump and netlinkdumpstart...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: Fixed a block leak of the percpu counter on the error path when creating new netns. This issue occurs at the stack location where the percpu counter block is allocated: +- ip6tregistertable +- translatetable...