CVE-2026-31664None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: xfrm: clear trailing padding in build_polexpire() build_expire() clears the trailing padding bytes of struct xfrm_user_expire after setting the hard field via memset_a…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
xfrm: clear trailing padding in build_polexpire()
build_expire() clears the trailing padding bytes of struct xfrm_user_expire after setting the hard field via memset_after(), but the analogous function build_polexpire() does not do this for struct xfrm_user_polexpire.
The padding bytes after the __u8 hard field are left uninitialized from the heap allocation, and are then sent to userspace via netlink multicast to XFRMNLGRP_EXPIRE listeners, leaking kernel heap memory contents.
Add the missing memset_after() call, matching build_expire().
Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a5127501c8d30b5728791b1e340284ca5c9cc4bdLinux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e6f4ffe8596947a595c9544e73a73adcb0568b88Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ac6985903db047eaff54db929e4bf6b06782788eLinux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c221ed63a2769a0af8bd849dfe25740048f34ef4Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < eda30846ea54f8ed218468e5480c8305ca645e37Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b1dfd6b27df35ef4f87825aa5f607378d23ff0f2Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e1af65c669ebb1666c54576614c01a7f9ffcfff6Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 71a98248c63c535eaa4d4c22f099b68d902006d0Linux 2.6.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-68286NoneIn the Linux kernel, the following vulnerability has been resolved: drop_monitor: perform u64_stats updates under IRQ-disabled section In net_dm_packet_trace_kfree_skb_hit() and net_dm_hw_trap_packet_probe(), u64_stats_update_begin() /…
CVE-2026-68337NoneIn the Linux kernel, the following vulnerability has been resolved: bpf: Reject redirect helpers without a bpf_net_context The bpf_redirect*() helpers and skb_do_redirect() obtain the per-task bpf_redirect_info via bpf_net_ctx_get_ri()…
CVE-2026-68287High· 7.5In the Linux kernel, the following vulnerability has been resolved: drop_monitor: fix size calculations for 64-bit attributes net_dm_packet_report_fill() and net_dm_hw_packet_report_fill() use nla_put_u64_64bit() to append 64-bit attri…
CVE-2026-68288NoneIn the Linux kernel, the following vulnerability has been resolved: net: drop_monitor: fix info leak in NET_DM_ATTR_PAYLOAD net_dm_packet_report_fill() and net_dm_hw_packet_report_fill() open code the NET_DM_ATTR_PAYLOAD attribute to a…
CVE-2026-68289NoneIn the Linux kernel, the following vulnerability has been resolved: tipc: fix integer overflow in tipc_recvmsg() and tipc_recvstream() In tipc_recvmsg(), the copy length is computed as: copy = min_t(int, dlen - offset, buflen); buf…
CVE-2026-68303NoneIn the Linux kernel, the following vulnerability has been resolved: drm/vc4: hvs/v3d: Fix null dereference in unbind The hvs and v3d drivers use dev_get_drvdata(master) in their unbind functions