GHSA-82QV-GM43-P9VJ
Vulnerability from github – Published: 2026-10-09 09:31 – Updated: 2026-10-09 09:31In the Linux kernel, the following vulnerability has been resolved:
veth: manage XDP program pointers during channel resize
veth_set_channels() tears down XDP resources for removed RX queues without clearing rq->xdp_prog. If the program is then detached or replaced, those queues keep the old pointer after bpf_prog_put(). A later channel increase can re-enable NAPI and run the freed program.
BUG: unable to handle page fault for address: ffffc90000256048 Oops: Oops: 0000 [#1] SMP KASAN NOPTI RIP: veth_xdp_rcv_skb (include/linux/filter.h:779 include/net/xdp.h:696 drivers/net/veth.c:820) Call Trace: veth_xdp_rcv (drivers/net/veth.c:941) veth_poll (drivers/net/veth.c:986) __napi_poll (net/core/dev.c:7787) net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) handle_softirqs (kernel/softirq.c:645) Kernel panic - not syncing: Fatal exception in interrupt
{
"affected": [],
"aliases": [
"CVE-2026-98381"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-10-09T08:16:56Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nveth: manage XDP program pointers during channel resize\n\nveth_set_channels() tears down XDP resources for removed RX queues\nwithout clearing rq-\u003exdp_prog. If the program is then detached or\nreplaced, those queues keep the old pointer after bpf_prog_put().\nA later channel increase can re-enable NAPI and run the freed program.\n\n BUG: unable to handle page fault for address: ffffc90000256048\n Oops: Oops: 0000 [#1] SMP KASAN NOPTI\n RIP: veth_xdp_rcv_skb (include/linux/filter.h:779\n include/net/xdp.h:696 drivers/net/veth.c:820)\n Call Trace:\n veth_xdp_rcv (drivers/net/veth.c:941)\n veth_poll (drivers/net/veth.c:986)\n __napi_poll (net/core/dev.c:7787)\n net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)\n handle_softirqs (kernel/softirq.c:645)\n Kernel panic - not syncing: Fatal exception in interrupt",
"id": "GHSA-82qv-gm43-p9vj",
"modified": "2026-10-09T09:31:05Z",
"published": "2026-10-09T09:31:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98381"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1a5c5b9c64ba5f39dba55da6e12561ca56eeb758"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/25bb7c36225220d30f404d7e29d2e052bc5f4b99"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3c10a5dd0d38f506f671dbb59e9d0ee4c72076f9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/43f6b647f209591b1e3f726bb16b8dcba6b95908"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7104a370714346b667712913dc16abf14bbc97ed"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7a8e143109ff2736dc79e41dcd55af7ceab7520a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f0e8dba8c224981e53c792c6b3dbb7604fb2c2c6"
}
],
"schema_version": "1.4.0",
"severity": []
}
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