Astra Linux – vulnerability in linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfrejectipv6: fix potential crash in nfsendreset6 I received a syzbot report without a repro 1 crashing in nfsendreset6 I believe the issue is that dev-hardheaderlen is set to zero, and later we attempt to push an...

AZL-53313 CVE-2024-50256 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfrejectipv6: fix potential crash in nfsendreset6 I got a syzbot report without a repro 1 crashing in nfsendreset6 I think the issue is that dev-hardheaderlen is zero, and we attempt later to push an Ethernet header. U...

AZL-53250 CVE-2024-50256 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfrejectipv6: fix potential crash in nfsendreset6 I got a syzbot report without a repro 1 crashing in nfsendreset6 I think the issue is that dev-hardheaderlen is zero, and we attempt later to push an Ethernet header. U...

CVE-2024-50256

CVE-2024-50256 affects the Linux kernel (netfilter nf_reject_ipv6) and reports a crash in nf_send_reset6() when constructing an Ethernet header (dev->hard_header_len can be zero). The issue is addressed by using LL_MAX_HEADER to compute the header as done by related code paths. Public advisori...