Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/tls: fixed a kernel panic that occurred when allocpage failed. We cannot set fraglist to a NULL pointer when allocpage fails. This setting will be used in tlsstrpcheckqueueok when tlsstrpreadsock is called next time. This ...

Astra Linux – Vulnerability in net-snmp

Net-SNMP provides various tools related to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials could use a malformed OID in a SET request to NET-SNMP-AGENT-MIB::nsLogTable to cause a NULL pointer dereference. Version 5.9.2 includes a patch to address...

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

In the Linux kernel, the following vulnerability has been resolved: net: fec: Better handling of the case where pmruntimeget fails in .remove. In the unlikely event that pmruntimeget disguised as pmruntimeresumeandget fails, the remove callback returns an error early. The problem with this is tha...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fixed a leak in x25lapbreceiveframe. x25lapbreceiveframe uses skbcopy to obtain a private copy of an skb. The newly created skb should be freed in the under-sized/fragmented skb error handling path. Otherwise, a memory...

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

In the Linux kernel, the following vulnerability has been resolved: NET: caif: Fixed a use-after-free in cfusbldevicenotify. syzbot reported a use-after-free in cfusbldevicenotify 1. This causes a stack trace like below: BUG: KASAN: Use-after-free in cfusbldevicenotify+0x7c9/0x870,...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: tunnels: Annotations were added for lockless accesses to dev-neededheadroom. IP tunnels can apparently update dev-neededheadroom during their xmit path. This patch addresses issues related to three types of tunnels xmit, ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly canceled the timer from tapriodestroy There is a comment in qdisccreate regarding the fact that we do not call ops-reset in some cases. errout4: “Any broken qdisc instances that would require...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the hsofreenetdevice function in drivers/net/usb/hso.c calls unregisternetdev from version 5.13.4 onwards, without checking the NETREGREGISTERED status. This leads to a use-after-free and a double-free...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Fixed NULL pointer dereferencing in smcvlanbytcpsk. Coverity reports a possible NULL dereferencing issue: - In smcvlanbytcpsk: - 6. returnednull: netdevlowergetnext returns NULL checked 29 out of 30 times. - 7...

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: netfilter: nftables: flush pending destroy work before exitnet release This issue is similar to 2c9f0293280e “netfilter: nftables: flush pending destroy work before netlink notifier”, and addresses a race between the exitnet...

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

A memory leak issue was discovered in the ctnetlinkcreateconntrack function within net/netfilter/nfconntracknetlink.c in the Linux kernel. This issue may allow a local attacker with CAPNETADMIN privileges to trigger a Denial-of-Service DoS attack due to a refcount overflow...

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

A vulnerability was discovered in vhostnewmsg in drivers/vhost/vhost.c within the Linux kernel. This issue arises due to the improper initialization of memory in messages transmitted between virtual guests and the host operating system, as implemented in the vhostnewmsg function. This vulnerabili...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A null pointer dereference vulnerability was discovered in the nftdynsetinit function in net/netfilter/nftdynset.c within nftables in the Linux kernel. This issue may allow a local attacker with the CAPNETADMIN user privilege to trigger a denial of service attack...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fixed the issue with xdprxqinfo after suspend/resume. The following sequence currently causes a driver bug warning when using virtionet: bash ip link set eth0 up echo mem /sys/power/state or e.g. rtcwake -s 10 -m mem i...

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: ipvs: Deferring the unregistration of ipvsftp during netns cleanup. During the netns cleanup process, ipvsftpexit may unregister ipvsftp before all connections with valid cp-app pointers are flushed, leading to a use-after-free...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in QEMU. The async nature of hot-unplug allows for a race condition, where the net device backend is cleared before the virtio-net PCI frontend is unplugged. A malicious guest could exploit this time window to trigger an assertion and cause a denial of service...

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: net/sched: actmirred: Do not override retval if we have already lost the skb. If we are redirecting the skb, and have not yet called tcfmirredforward, we need to inform the kernel to discard the skb by setting the retcode to SHOT...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: espintcp: The caching of the encap socket has been removed to avoid reference leaks. The current scheme for caching the encap socket can lead to reference leaks when trying to delete the netns. The reference chain is: xfrmstate -...

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: aoe: fixed the potential use-after-free issue in aoecmdcfgpkts. This patch addresses CVE-2023-6270. The description of the vulnerability is as follows: A flaw was discovered in the ATA over Ethernet AoE driver within the Linux...

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: The can: hi311x module has corrected the ndochangemtu function to prevent buffer overflows. Sending a PFPACKET allows bypassing the CAN driver’s logic and directly reaching the xmit function of the CAN driver. The only check...