28 matches found
CVE-2026-63994
In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skbcow in iptunnelpmtudbuildicmpv6 Sashiko found that iptunnelpmtudbuildicmp and iptunnelpmtudbuildicmpv6 were caching iphdr and ipv6hdr before an skbcow call which can reallocate skb-head. Fix...
CVE-2026-63994
The CVE-2026-63994 issue affects the Linux kernel's tunnels code: iptunnel_pmtud_build_icmp(v6) and iptunnel_pmtud_build_icmp() cached ip_hdr()/ipv6_hdr() before skb_cow(), which could reallocate skb->head and cause use-after-free. The patch fixes this by initializing local variables after the...
PT-2026-61311
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the tunnels module. The functions iptunnel pmtud build icmp and iptunnel pmtud build icmpv6 cache ip hdr and ipv6 hdr before calling skb cow. Because...
kernel: net: sched: act_csum: validate nested VLAN headers
A flaw was found in the Linux kernel's network scheduler component. A remote attacker could send specially crafted network packets containing nested Virtual Local Area Network VLAN headers. This could cause the kernel to read beyond allocated memory, leading to a system crash and a denial of...
Linux Distros Unpatched Vulnerability : CVE-2026-53074
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: reject short IPv4/IPv6 inputs in bpfprogtestrunskb bpfprogtestrunskb calls ethtypetrans first and then uses skb-protocol to initialize sk family and addres...
net: sched: act_csum: validate nested VLAN headers
...
Astra Linux – Vulnerability in Linux 6.1
In the Linux kernel, the following vulnerabilities have been resolved: ipvlan: Ensure that the network headers are in the skb linear part. syzbot found that ipvlanprocessv6outbound assumes that the IPv6 network header isis present in skb-head 1. Add the necessary pskbnetworkmaypull calls for both...
MiracleLinux 9 : golang-1.24.4-1.el9_6 (AXSA:2025-10627:03)
The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2025-10627:03 advisory. net/http: Sensitive headers not cleared on cross-origin redirect in net/http CVE-2025-4673 Tenable has extracted the preceding description block directly fr...
EUVD-2025-8476
Malicious code in bioql PyPI...
ipvlan: ensure network headers are in skb linear part
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CentOS 9 : kernel-5.14.0-580.el9
The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the kernel-5.14.0-580.el9 build changelog. - In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found...
CVE-2025-21891
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
SUSE CVE-2025-21891
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
CVE-2025-21891
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
DEBIAN-CVE-2025-21891
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
AZL-60331 CVE-2025-21891 affecting package kernel 5.15.200.1-1
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
UBUNTU-CVE-2025-21891
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
CVE-2025-21891 ipvlan: ensure network headers are in skb linear part
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
CVE-2025-21891 ipvlan: ensure network headers are in skb linear part
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...
CVE-2025-21891
In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...