Linux Distros Unpatched Vulnerability : CVE-2022-48839

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv i...

PT-2025-34363

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A race condition exists in the packet set ring and packet notifier functions within the net/packet module. This occurs when packet set ring releases po-bind lock, allowing another thre...

CLSA-2024-1728935304 kernel: Fix of 12 CVEs

xfs: don't walk off the end of a directory data block CVE-2024-41013 - net/sched: clsu32: fix netns refcount changes in u32change CVE-2022-29581 - net/packet: fix slab-out-of-bounds access in packetrecvmsg CVE-2022-20368 - openvswitch: fix OOB access in reservesfasize CVE-2022-2639 - net: sched:...

The vulnerability of the net/packet component in the Linux operating system’s kernel allows a hacker to disclose sensitive information or cause service failures.

The vulnerability of the net/packet component in the Linux operating system’s kernel is related to the presence of access beyond the boundaries of the slab memory area in packetrecvmsg. Exploiting this vulnerability can allow an attacker to disclose sensitive information or cause service failures...

CVE-2022-48839

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839 net/packet: fix slab-out-of-bounds access in packet_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839 net/packet: fix slab-out-of-bounds access in packet_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839

The connected advisories confirm CVE-2022-48839 affects the Linux kernel net/packet area. Affected component: AF_PACKET sockets using PACKET_COPY_THRESH with mmap can queue skbs containing garbage in skb->cb[], leading to a too-big copy. Root cause described as slab-out-of-bounds/stack-out-of-...

CVE-2022-48839 net/packet: fix slab-out-of-bounds access in packet_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

CVE-2022-48839

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket is using PACKETCOPYTHRESH and mmap operations, tpacketrcv is queueing skbs with garbage in skb-cb, triggering a too big copy 1...

K38472857: Kernel vulnerability CVE-2016-8655

Security Advisory Description Race condition in net/packet/afpacket.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service use-after-free by leveraging the CAPNETRAW capability to change a socket version, related to the packetsetring and...

SUSE CVE-2020-16092

In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in...

RHEL 8 : kpatch-patch (RHSA-2020:4332)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4332 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

RHEL 8 : kpatch-patch (RHSA-2020:4331)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4331 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

RHEL 9 : kernel (RHSA-2022:8267)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8267 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: off-path attacker may inject data or...

ASB-A-213464034

In packetsetring of afpacket.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation...

Unbreakable Enterprise kernel security update

5.4.17-2136.306.1.3 - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address Paolo Bonzini Orabug: 34053807 CVE-2022-1158 5.4.17-2136.306.1.2 - Revert 'rds/ib: recover rds connection from stuck rx path' Rohit Nair Orabug: 34045203 5.4.17-2136.306.1.1 - netfilter: nftables: initialize...

Privilege Escalation

linux is vulnerable to privilege escalation. The vulnerability exists due to a double free bug in packetsetring in net/packet/afpacket.c...

CVE-2021-22600

A double free bug in packetsetring in net/packet/afpacket.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755...