cve-2024-26665
Vulnerability from cvelistv5
Published
2024-04-02 06:22
Modified
2024-11-05 09:13
Severity ?
Summary
tunnels: fix out of bounds access when building IPv6 PMTU error
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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              "version": "5.10.210",
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          "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."
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    "assignerShortName": "Linux",
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    "datePublished": "2024-04-02T06:22:14.264Z",
    "dateReserved": "2024-02-19T14:20:24.149Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26665\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-02T07:15:43.430\",\"lastModified\":\"2024-11-05T10:15:39.267\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: t\u00faneles: corrige el acceso fuera de los l\u00edmites al compilar el error IPv6 PMTU Si el error ICMPv6 se genera a partir de un skb no lineal, obtenemos el siguiente s\u00edmbolo, ERROR: KASAN: slab-out- fuera de los l\u00edmites en do_csum+0x220/0x240 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff88811d402c80 por tarea netperf/820 CPU: 0 PID: 820 Comm: netperf Not tainted 6.8.0-rc1+ #543 ... kasan_report+0xd8/0x110 do_csum+0x220 /0x240 csum_partial+0xc/0x20 skb_tunnel_check_pmtu+0xeb9/0x3280 vxlan_xmit_one+0x14c2/0x4080 vxlan_xmit+0xf61/0x5c00 dev_hard_start_xmit+0xfb/0x510 __dev_queue_xmit+0x7cd/0x32 a0 br_dev_queue_push_xmit+0x39d/0x6a0 Utilice skb_checksum en lugar de csum_partial, que no puede manejar SKB no lineales.\"}],\"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\"}]}}"
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