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: Media: dvb-frontends: dib3000mb: The issue of an uninitialized value was fixed in dib3000writereg. Syzbot reports that there is an issue with uninitialized values discovered by KMSAN in dib3000readreg. The local variable rb2 is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: siox: fixed a possible memory leak in sioxdeviceadd. If deviceregister returns an error in sioxdeviceadd, the name allocated by devsetname needs to be freed. As noted in the comments for deviceregister, it should use putdevice to...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s NFC core functionality due to a race condition between the creation and deletion of kobjects. This vulnerability allows a local attacker with CAPNETADMIN privileges to leak kernel information...

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: usb: gadget: ncm: Fix handling of zero block length packets When connecting to a Linux host with CDCNCMNTBDEFSIZETX set to 65536, it was observed that we receive short packets, which sometimes occur at intervals of 5–10 seconds...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsllpuart: disable dma rx/tx use flags in lpuartdmashutdown lpuartdmashutdown tears down the lpuart DMA mechanism, but lpuartFlushBuffer can still occur. This attempt to access DMA APIs occurs if the lpuartDMATXuse...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: seg6: Fixed the iif in the IPv6 socket control block. When an IPv4 packet is received, the iprcvcore... function sets the receiving interface index into the IPv4 socket control block v5.16-rc4, net/ipv4/ipinput.c, line 510: c...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Added bpfprogrundatapointers syzbot found that clsbpfclassify can change tcskbcbskb-dropreason, triggering a warning in skskbreasonDrop. WARNING: CPU: 0, PID: 5965, at net/core/skbuff.c:1192 skskbreasonDrop,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mapletree: correct tree corruption on spanning store Patch series “mapletree: correct tree corruption on spanning store”, v3. There was a minor but significant bug in the maple tree implementation that seems to have existed since...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fix tailcallreachable rejection for interpreter when jit failed During testing of f263a81451c1 “bpf: Track subprog poke descriptors correctly and fix use-after-free” under various failure conditions, for example, when...

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 – Avoid referencing uninitialized memory in ath9kwmictrlrx. For the same reasons described in commit b383e8abed41 “Wifi: ath9k – Avoid uninitialized memory reading in ath9khtcrxmsg”, ath9khtcrxmsg should validate the...

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

A race condition flaw was discovered in the Linux kernel sound subsystem due to improper locking mechanisms. This could lead to a NULL pointer derefrence during the handling of the SNDCTLDSPSYNC ioctl command. A privileged local user such as root or a member of the audio group could exploit this...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the “block” section, there’s a issue where rq and qos structures are released without the disk being handled first. The blkcginitqueue function may add these structures to the request queue. Previously, the blkcleanupqueue...

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

A denial-of-service issue was detected, possibly due to a recursive locking scenario, which led to a deadlock in the tableclear function in drivers/md/dm-ioctl.c within the Linux Kernel Device Mapper-Multipathing sub-component...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A race condition was detected in the Linux kernel’s watch queue due to a missing lock in the piperesizering function. The specific flaw lies in the handling of pipe buffers. The problem arises from the lack of proper locking when performing operations on an object. This flaw allows a local user t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

An incorrect TLB flush issue was detected in the Linux kernel’s GPU i915 kernel driver. This flaw may lead to random memory corruption or data leaks. It could also allow a local user to crash the system or escalate their privileges on the system...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw related to the use of “free” in the Linux kernel’s Video4Linux driver was discovered in the way that triggers em28xxusbprobe, for Empia 28xx-based TV cards. A local user could exploit this flaw to crash the system or potentially escalate their privileges on the system...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability has been discovered in the Linux kernel. It has been identified as a problem. This vulnerability affects the function vsockconnect in the file net/vmwvsock/afvsock.c. Manipulation of this function leads to a memory leak. The complexity of an attack is quite high. Exploitation of...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed potential OOPs in cifsoplockbreak With deferred close, there may be situations where closes cause races with lease breaks. Additionally, when checking whether to send the lease response, oplockresponse can lead to ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disabling IBT when the hypercall page lacks the ENDBR instruction. On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current version...