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 a bug where the GRO was processed using a UDP list. The segmentation of data relies on fraglist not being modifi...

UBUNTU-CVE-2022-50365

In the Linux kernel, the following vulnerability has been resolved: skbuff: Account for tail adjustment during pull operations Extending the tail can have some unexpected side effects if a program uses a helper like BPFFUNCskbpulldata to read partial content beyond the head skb headlen when all t...

CVE-2022-50365

In the Linux kernel, the following vulnerability has been resolved: skbuff: Account for tail adjustment during pull operations Extending the tail can have some unexpected side effects if a program uses a helper like BPFFUNCskbpulldata to read partial content beyond the head skb headlen when all t...

CVE-2025-38622

In the Linux kernel, the following vulnerability has been resolved: net: drop UFO packets in udprcvsegment When sending a packet with virtionethdr to tun device, if the gsotype in virtionethdr is SKBGSOUDP and the gsosize is less than udphdr size, below crash may happen. ------------ cut here...

CVE-2023-52991

CVE-2023-52991 affects the Linux kernel’s skb_segment_list path. The issue stems from a prior change: net: Support GRO/GSO fraglist chaining, which can cause frag_list to be NULL if it is pulled into the linear area during processing. This condition leads to a NULL pointer dereference in skb_segm...

AZL-51829 CVE-2024-49978 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: gso: fix udp gso fraglist segmentation after pull from fraglist Detect gso fraglist skbs with corrupted geometry see below and pass these to skbsegment instead of skbsegmentlist, as the first can segment them correctly. Valid...