cve-2024-26675
Vulnerability from cvelistv5
Published
2024-04-02 07:01
Modified
2024-09-11 17:33
Severity
Summary
ppp_async: limit MRU to 64K
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website


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                "id": "CVE-2024-26675",
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    "cna": {
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          "product": "Linux",
          "programFiles": [
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          "programFiles": [
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "2.6.12"
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              "version": "0",
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              "status": "unaffected",
              "version": "4.19.307",
              "versionType": "custom"
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              "status": "unaffected",
              "version": "5.4.269",
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              "status": "unaffected",
              "version": "5.10.210",
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              "version": "5.15.149",
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              "version": "6.1.78",
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nppp_async: limit MRU to 64K\n\nsyzbot triggered a warning [1] in __alloc_pages():\n\nWARN_ON_ONCE_GFP(order \u003e MAX_PAGE_ORDER, gfp)\n\nWillem fixed a similar issue in commit c0a2a1b0d631 (\"ppp: limit MRU to 64K\")\n\nAdopt the same sanity check for ppp_async_ioctl(PPPIOCSMRU)\n\n[1]:\n\n WARNING: CPU: 1 PID: 11 at mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543\nModules linked in:\nCPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nWorkqueue: events_unbound flush_to_ldisc\npstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4543\n lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4537\nsp : ffff800093967580\nx29: ffff800093967660 x28: ffff8000939675a0 x27: dfff800000000000\nx26: ffff70001272ceb4 x25: 0000000000000000 x24: ffff8000939675c0\nx23: 0000000000000000 x22: 0000000000060820 x21: 1ffff0001272ceb8\nx20: ffff8000939675e0 x19: 0000000000000010 x18: ffff800093967120\nx17: ffff800083bded5c x16: ffff80008ac97500 x15: 0000000000000005\nx14: 1ffff0001272cebc x13: 0000000000000000 x12: 0000000000000000\nx11: ffff70001272cec1 x10: 1ffff0001272cec0 x9 : 0000000000000001\nx8 : ffff800091c91000 x7 : 0000000000000000 x6 : 000000000000003f\nx5 : 00000000ffffffff x4 : 0000000000000000 x3 : 0000000000000020\nx2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff8000939675e0\nCall trace:\n  __alloc_pages+0x308/0x698 mm/page_alloc.c:4543\n  __alloc_pages_node include/linux/gfp.h:238 [inline]\n  alloc_pages_node include/linux/gfp.h:261 [inline]\n  __kmalloc_large_node+0xbc/0x1fc mm/slub.c:3926\n  __do_kmalloc_node mm/slub.c:3969 [inline]\n  __kmalloc_node_track_caller+0x418/0x620 mm/slub.c:4001\n  kmalloc_reserve+0x17c/0x23c net/core/skbuff.c:590\n  __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:651\n  __netdev_alloc_skb+0xb8/0x3e8 net/core/skbuff.c:715\n  netdev_alloc_skb include/linux/skbuff.h:3235 [inline]\n  dev_alloc_skb include/linux/skbuff.h:3248 [inline]\n  ppp_async_input drivers/net/ppp/ppp_async.c:863 [inline]\n  ppp_asynctty_receive+0x588/0x186c drivers/net/ppp/ppp_async.c:341\n  tty_ldisc_receive_buf+0x12c/0x15c drivers/tty/tty_buffer.c:390\n  tty_port_default_receive_buf+0x74/0xac drivers/tty/tty_port.c:37\n  receive_buf drivers/tty/tty_buffer.c:444 [inline]\n  flush_to_ldisc+0x284/0x6e4 drivers/tty/tty_buffer.c:494\n  process_one_work+0x694/0x1204 kernel/workqueue.c:2633\n  process_scheduled_works kernel/workqueue.c:2706 [inline]\n  worker_thread+0x938/0xef4 kernel/workqueue.c:2787\n  kthread+0x288/0x310 kernel/kthread.c:388\n  ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860"
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          "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
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      ],
      "title": "ppp_async: limit MRU to 64K",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26675",
    "datePublished": "2024-04-02T07:01:40.054Z",
    "dateReserved": "2024-02-19T14:20:24.151Z",
    "dateUpdated": "2024-09-11T17:33:36.657Z",
    "state": "PUBLISHED"
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  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26675\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-02T07:15:44.100\",\"lastModified\":\"2024-06-27T13:15:55.923\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nppp_async: limit MRU to 64K\\n\\nsyzbot triggered a warning [1] in __alloc_pages():\\n\\nWARN_ON_ONCE_GFP(order \u003e MAX_PAGE_ORDER, gfp)\\n\\nWillem fixed a similar issue in commit c0a2a1b0d631 (\\\"ppp: limit MRU to 64K\\\")\\n\\nAdopt the same sanity check for ppp_async_ioctl(PPPIOCSMRU)\\n\\n[1]:\\n\\n WARNING: CPU: 1 PID: 11 at mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543\\nModules linked in:\\nCPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\\nWorkqueue: events_unbound flush_to_ldisc\\npstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4543\\n lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4537\\nsp : ffff800093967580\\nx29: ffff800093967660 x28: ffff8000939675a0 x27: dfff800000000000\\nx26: ffff70001272ceb4 x25: 0000000000000000 x24: ffff8000939675c0\\nx23: 0000000000000000 x22: 0000000000060820 x21: 1ffff0001272ceb8\\nx20: ffff8000939675e0 x19: 0000000000000010 x18: ffff800093967120\\nx17: ffff800083bded5c x16: ffff80008ac97500 x15: 0000000000000005\\nx14: 1ffff0001272cebc x13: 0000000000000000 x12: 0000000000000000\\nx11: ffff70001272cec1 x10: 1ffff0001272cec0 x9 : 0000000000000001\\nx8 : ffff800091c91000 x7 : 0000000000000000 x6 : 000000000000003f\\nx5 : 00000000ffffffff x4 : 0000000000000000 x3 : 0000000000000020\\nx2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff8000939675e0\\nCall trace:\\n  __alloc_pages+0x308/0x698 mm/page_alloc.c:4543\\n  __alloc_pages_node include/linux/gfp.h:238 [inline]\\n  alloc_pages_node include/linux/gfp.h:261 [inline]\\n  __kmalloc_large_node+0xbc/0x1fc mm/slub.c:3926\\n  __do_kmalloc_node mm/slub.c:3969 [inline]\\n  __kmalloc_node_track_caller+0x418/0x620 mm/slub.c:4001\\n  kmalloc_reserve+0x17c/0x23c net/core/skbuff.c:590\\n  __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:651\\n  __netdev_alloc_skb+0xb8/0x3e8 net/core/skbuff.c:715\\n  netdev_alloc_skb include/linux/skbuff.h:3235 [inline]\\n  dev_alloc_skb include/linux/skbuff.h:3248 [inline]\\n  ppp_async_input drivers/net/ppp/ppp_async.c:863 [inline]\\n  ppp_asynctty_receive+0x588/0x186c drivers/net/ppp/ppp_async.c:341\\n  tty_ldisc_receive_buf+0x12c/0x15c drivers/tty/tty_buffer.c:390\\n  tty_port_default_receive_buf+0x74/0xac drivers/tty/tty_port.c:37\\n  receive_buf drivers/tty/tty_buffer.c:444 [inline]\\n  flush_to_ldisc+0x284/0x6e4 drivers/tty/tty_buffer.c:494\\n  process_one_work+0x694/0x1204 kernel/workqueue.c:2633\\n  process_scheduled_works kernel/workqueue.c:2706 [inline]\\n  worker_thread+0x938/0xef4 kernel/workqueue.c:2787\\n  kthread+0x288/0x310 kernel/kthread.c:388\\n  ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ppp_async: limitar MRU a 64K syzbot activ\u00f3 una advertencia [1] en __alloc_pages(): WARN_ON_ONCE_GFP(order \u0026gt; MAX_PAGE_ORDER, gfp) Willem solucion\u00f3 un problema similar en el commit c0a2a1b0d631 (\\\"ppp: limite MRU a 64K\\\") Adopte la misma verificaci\u00f3n de cordura para ppp_async_ioctl(PPPIOCSMRU) [1]: ADVERTENCIA: CPU: 1 PID: 11 en mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 M\u00f3dulos vinculados en: CPU: 1 PID: 11 Comm: kworker/u4:0 No contaminado 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 17/11/2023 Cola de trabajo: events_unbound flux_to_ldisc pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4537 sp: ffff800093967580 x29: ffff800093967660 x28: ffff8000939675a0 x27: dfff800000000000 x26: ffff70001272ceb4 x25: 0000000000000000 x24: ffff8000 939675c0 x23: 0000000000000000 x22: 0000000000060820 x21: 1ffff0001272ceb8 x20: ffff8000939675e0 x19: 0000000000000010 x18: ffff8000939671 20 x17: ffff800083bded5c x16: ffff80008ac97500 x15: 00000000000000005 x14: 1ffff0001272cebc x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001272cec1 x10: 1ffff0001272cec0 x9: 0000000000000001 x8: ffff800091c 91000 x7: 0000000000000000 x6: 000000000000003f x5: 00000000ffffffff x4: 0000000000000000 x3: 00000000000000020 x2: 0000000000000008 x1: 0000000000000000 x0: ffff8000939675e0 Rastreo de llamadas: __alloc_pages+0x308/ 0x698 mm/page_alloc.c:4543 __alloc_pages_node include/linux/gfp.h:238 [en l\u00ednea] alloc_pages_node include/linux/gfp.h:261 [en l\u00ednea] __kmalloc_large_node+0xbc/0x1fc mm/slub.c:3926 __do_kmalloc_node mm/slub .c:3969 [en l\u00ednea] __kmalloc_node_track_caller+0x418/0x620 mm/slub.c:4001 kmalloc_reserve+0x17c/0x23c net/core/skbuff.c:590 __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:651 __netdev_alloc_skb+0x b8 /0x3e8 net/core/skbuff.c:715 netdev_alloc_skb include/linux/skbuff.h:3235 [en l\u00ednea] dev_alloc_skb include/linux/skbuff.h:3248 [en l\u00ednea] ppp_async_input drivers/net/ppp/ppp_async.c:863 [ en l\u00ednea] ppp_asynctty_receive+0x588/0x186c controladores/net/ppp/ppp_async.c:341 tty_ldisc_receive_buf+0x12c/0x15c controladores/tty/tty_buffer.c:390 tty_port_default_receive_buf+0x74/0xac controladores/tty/tty_port.c:37 recibir_buf controladores /tty /tty_buffer.c:444 [en l\u00ednea] Flush_to_ldisc+0x284/0x6e4 controladores/tty/tty_buffer.c:494 Process_one_work+0x694/0x1204 kernel/workqueue.c:2633 Process_scheduled_works kernel/workqueue.c:2706 [en l\u00ednea] trabajador_thread+0x938/ 0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/210d938f963dddc543b07e66a79b7d8d4bd00bd8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4e2c4846b2507f6dfc9bea72b7567c2693a82a16\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4fdb14ba89faff6e6969a4dffdc8e54235d6e5ed\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/56fae81633ccee307cfcb032f706bf1863a56982\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/58fbe665b097bf7b3144da7e7b91fb27aa8d0ae3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7e5ef49670766c9742ffcd9cead7cdb018268719\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b06e067e93fa4b98acfd3a9f38a398ab91bbc58b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cb88cb53badb8aeb3955ad6ce80b07b598e310b8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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