Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Allocate the receive skb before consuming bytes. The function pn532receivebuf reports the number of accepted bytes to the serdev core. The current code consumes bytes into the recvskb, and may have already passed a...

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

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: Fixed an use-after-free in hfcmultitx Do not dereference sp after calling devkfreeskbsp...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: Do not update the checksum in bnxtxdpbuildskb. The bnxtrxpkt function updates the ipsummed value at the end if the checksum offload is enabled. When the XDP-MB program is executed and returns XDPPASS, the bnxtxdpbuilds...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: Fix NULL pointer in skbsegmentlist. The commit 3a1296a38d0c “net: Support GRO/GSO fraglist chaining” introduced support for UDP listified GROs. The segmentation of data relies on fraglist not being modified during transmissi...

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...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afpacket: fixed vlangetprotocoldgram vs MSGPEEK The responsible commit forgot to handle the MSGPEEK case, resulting in a crash 1, as detected by syzbot. vlangetprotocoldgram was rewritten so that it does not touch the skb at...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: The network headers were pulled into gtpdevxmit. syzbot/KMSAN reported the use of uninit-value in getdevxmit. 1 We must ensure that the IPv4 or Ipv6 headers are pulled into skb-head before accessing fields within them. Us...

SUSE CVE-2026-74612

In the Linux kernel, the following vulnerability has been resolved: veth: fix skb length accounting after XDP frag adjustment veth exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, vethxdprcvskb copies xdpfragssize back to skb-datalen but leaves...

SUSE CVE-2026-74665

In the Linux kernel, the following vulnerability has been resolved: net: fix skb length accounting after generic XDP frag adjustment Generic XDP exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, bpfprogrungenericxdp copies xdpfragssize back to...

SUSE CVE-2026-74705

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation skbudptunnelsegment gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb-head, the saved UDP header pointer is no longer...

AZL-97182 CVE-2026-74705 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation skbudptunnelsegment gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb-head, the saved UDP header pointer is no longer...

CVE-2026-74705

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation skbudptunnelsegment gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb-head, the saved UDP header pointer is no longer...

CVE-2026-74678

In the Linux kernel, the following vulnerability has been resolved: net: usb: ax88179178a: fix skb leak in ax88179txfixup When the interface has NETIFFSG enabled and skblinearize fails in ax88179txfixup, the function returns NULL without freeing the skb. usbnetstartxmit treats a NULL return from...

AZL-97154 CVE-2026-74664 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reallocate update replies for mismatched IDs ovsflowcmdnew preallocates the optional reply skb before it takes ovsmutex and before it knows which existing flow will be updated. That is normally fine because the...

CVE-2026-74665

In the Linux kernel, the following vulnerability has been resolved: net: fix skb length accounting after generic XDP frag adjustment Generic XDP exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, bpfprogrungenericxdp copies xdpfragssize back to...

CVE-2026-74627

In the Linux kernel, the following vulnerability has been resolved: net: devmem: prevent net-iov / page mixing We should either have netiov or page backed frags in a single skb, otherwise it blows up down the stack. Don't allow mixing in zerocopyfillskbfromdevmem...

CVE-2026-74620

In the Linux kernel, the following vulnerability has been resolved: net/sched: actgact, actpolice: range check the fallback control action tcfactioncheckctrlact range checks the primary control action: if !opcode ret = action TCACTVALUEMAX ? -EINVAL : 0; TCACTVALUEMAX is TCACTTRAP, so...

AZL-97053 CVE-2026-74612 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: veth: fix skb length accounting after XDP frag adjustment veth exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, vethxdprcvskb copies xdpfragssize back to skb-datalen but leaves...

CVE-2026-74612

In the Linux kernel, the following vulnerability has been resolved: veth: fix skb length accounting after XDP frag adjustment veth exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, vethxdprcvskb copies xdpfragssize back to skb-datalen but leaves...

CVE-2026-74665

In the Linux kernel, the following vulnerability has been resolved: net: fix skb length accounting after generic XDP frag adjustment Generic XDP exposes non-linear skb fragments through an xdpbuff. If an XDP program adjusts the fragment area, bpfprogrungenericxdp copies xdpfragssize back to...