Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In libceph, the error from monhandleauthdone should be returned. Currently, any error from cephauthhandlereplydone is propagated via finishauth, but it is not returned from monhandleauthdone. This results in higher layers...

Astra Linux – Vulnerability in Linux

In the Linux kernel, from drivers/block/nbd.c up to version 5.10.12, there is a use-after-free in the nbdaddsocket function. This issue could be triggered by local attackers who have access to the nbd device. The attack occurs during I/O requests at a certain point in device setup, specifically...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw exists in the processing of SMB2SESSIONSETUP commands. The issue arises due to the lack of proper locking when performing operations on an object. An attacker can exploit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: mtkethsoc: Reset the progptr to oldprog in case of an error in mtkxdpsetup. Reset the eBPF program pointer to oldprog, and do not decrease its reference count if the mtkopen routine in mtkxdpsetup fails...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SUNRPC: Fixed null-ptr-deref when xps sysfs alloc fails There is a null-ptr-deref when xps sysfs alloc fails: BUG: KASAN: null-ptr-deref in sysfsdocreatelinksd+0x40/0xd0 Reading a 8-byte value at address 0000000000000030 by ta...

Astra Linux – Vulnerability in Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s iouring subsystem. This flaw occurs when a user sets up a ring using IORINGSETUPIOPOLL, with multiple tasks completing submissions within that ring. This flaw allows a local user to crash the system or escalate their privileges on the...

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: libiscsi: Initialize iscsiconn-dddata only if memory is allocated. In the case of an ibfastregmr allocation failure during iSER setup, the system may encounter a panic because iscsiconn-dddata is initialized unconditionally...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: idxd: Fixed a double-free in idxdsetupwqs The cleanup in idxdsetupwqs contained a few bugs, as the error handling was somewhat subtle. It’s simpler to rewrite the code in a more clean way. The issues are as follows:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: Fixed a UAF issue in nfqnlnfhookDrop when opsinit fails. When the opsinit function is called to initialize the network, but ops-init fails, data is released. However, the pointer ptr in net-gen becomes invalid. In this...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: A potential memory leak has been fixed in setupbasectxt. setupbasectxt allocates a memory chunk for uctxt-groups using hfi1allocctxtrcvgroups. When inituserctxt fails, uctxt-groups is not released, which can lead to a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed the call trace in setuptxdescriptors. After a PF reset and the use of ethtool -t, there was a call trace in dmesg. Sometimes this led to a panic. After some time, approximately 5 seconds, between a reset and a test...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: UVC: Prevent buffer overflow in setup handler The uvcfunctionsetup function allows control transfers with a payload of up to 64 bytes UVCMAXREQUESTSIZE. The data stage handler for OUT transfers uses memcpy to copy 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: um: line: always fill errorout in setuponeline The pointer is not initialized by the callers, but I’ve encountered cases where it is still printed; initialize it in all possible cases within setuponeline...

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

In the Linux kernel, the following vulnerability has been resolved: ubifs: Memory freed for the tmpfile name When opening a ubifs tmpfile in an encrypted directory, the function fscryptsetupfilename allocates memory for the name that will be stored in the directory entry. However, after the name ...

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: nfs: Clean up /proc/net/rpc/nfs when nfsfsprocnetinit fails. The syzbot reported a warning below 1 after a fault injection in nfsfsprocnetinit. 0 When nfsfsprocnetinit fails, /proc/net/rpc/nfs is not removed. Later, rpcprocexit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Invalid parameter check in dpusetupdspppcc The function performs a check on the “ctx” input parameter, however, it is used before the check. The “base” variable is initialized after the sanity check to avoid a possib...

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

In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remapping EPERM in case of connection failure in xstcpsetupsocket. When using a BPF program on kernelconnect, the call may return -EPERM. This causes xstcpsetupsocket to loop indefinitely, filling up the syslog and...

Astra Linux – Vulnerability in liblivemedia

A heap-use-after-free vulnerability was discovered in live555 version 2023.05.10 while handling the SETUP process...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the mech token during session setup. If a client sends an invalid mech token in a session setup request, ksmbd validates it and reports an error if the token is invalid...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Do not attempt cleanup after a failure in cxlRegionAttach. The commit 5e42bcbc3fef “cxl/region: decrement -nrtargets on error in cxlRegionAttach” attempted to avoid initialization errors when -nrtargets exceeds 16 by...