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{
"id": "CVE-2024-26665",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-04-02T07:15:43.430",
"lastModified": "2024-04-02T07:15:43.430",
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntunnels: fix out of bounds access when building IPv6 PMTU error\n\nIf the ICMPv6 error is built from a non-linear skb we get the following\nsplat,\n\n BUG: KASAN: slab-out-of-bounds in do_csum+0x220/0x240\n Read of size 4 at addr ffff88811d402c80 by task netperf/820\n CPU: 0 PID: 820 Comm: netperf Not tainted 6.8.0-rc1+ #543\n ...\n kasan_report+0xd8/0x110\n do_csum+0x220/0x240\n csum_partial+0xc/0x20\n skb_tunnel_check_pmtu+0xeb9/0x3280\n vxlan_xmit_one+0x14c2/0x4080\n vxlan_xmit+0xf61/0x5c00\n dev_hard_start_xmit+0xfb/0x510\n __dev_queue_xmit+0x7cd/0x32a0\n br_dev_queue_push_xmit+0x39d/0x6a0\n\nUse skb_checksum instead of csum_partial who cannot deal with non-linear\nSKBs."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/510c869ffa4068c5f19ff4df51d1e2f3a30aaac1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/7dc9feb8b1705cf00de20563b6bc4831f4c99dab",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d75abeec401f8c86b470e7028a13fcdc87e5dd06",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d964dd1bc1452594b4207d9229c157d9386e5d8a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e37cde7a5716466ff2a76f7f27f0a29b05b9a732",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e77bf828f1ca1c47fcff58bdc26b60a9d3dfbe1d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}