CVE-2024-26675 (GCVE-0-2024-26675)

Vulnerability from cvelistv5 – Published: 2024-04-02 07:01 – Updated: 2025-05-04 08:53
VLAI?
Title
ppp_async: limit MRU to 64K
Summary
In the Linux kernel, the following vulnerability has been resolved: ppp_async: limit MRU to 64K syzbot triggered a warning [1] in __alloc_pages(): WARN_ON_ONCE_GFP(order > MAX_PAGE_ORDER, gfp) Willem fixed a similar issue in commit c0a2a1b0d631 ("ppp: limit MRU to 64K") Adopt the same sanity check for ppp_async_ioctl(PPPIOCSMRU) [1]: WARNING: CPU: 1 PID: 11 at mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 Modules linked in: CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events_unbound flush_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: ffff8000939675c0 x23: 0000000000000000 x22: 0000000000060820 x21: 1ffff0001272ceb8 x20: ffff8000939675e0 x19: 0000000000000010 x18: ffff800093967120 x17: ffff800083bded5c x16: ffff80008ac97500 x15: 0000000000000005 x14: 1ffff0001272cebc x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001272cec1 x10: 1ffff0001272cec0 x9 : 0000000000000001 x8 : ffff800091c91000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 00000000ffffffff x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff8000939675e0 Call trace: __alloc_pages+0x308/0x698 mm/page_alloc.c:4543 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] __kmalloc_large_node+0xbc/0x1fc mm/slub.c:3926 __do_kmalloc_node mm/slub.c:3969 [inline] __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+0xb8/0x3e8 net/core/skbuff.c:715 netdev_alloc_skb include/linux/skbuff.h:3235 [inline] dev_alloc_skb include/linux/skbuff.h:3248 [inline] ppp_async_input drivers/net/ppp/ppp_async.c:863 [inline] ppp_asynctty_receive+0x588/0x186c drivers/net/ppp/ppp_async.c:341 tty_ldisc_receive_buf+0x12c/0x15c drivers/tty/tty_buffer.c:390 tty_port_default_receive_buf+0x74/0xac drivers/tty/tty_port.c:37 receive_buf drivers/tty/tty_buffer.c:444 [inline] flush_to_ldisc+0x284/0x6e4 drivers/tty/tty_buffer.c:494 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_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
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4fdb14ba89faff6e6969a4dffdc8e54235d6e5ed (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 56fae81633ccee307cfcb032f706bf1863a56982 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b06e067e93fa4b98acfd3a9f38a398ab91bbc58b (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 58fbe665b097bf7b3144da7e7b91fb27aa8d0ae3 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4e2c4846b2507f6dfc9bea72b7567c2693a82a16 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7e5ef49670766c9742ffcd9cead7cdb018268719 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 210d938f963dddc543b07e66a79b7d8d4bd00bd8 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cb88cb53badb8aeb3955ad6ce80b07b598e310b8 (git)
Create a notification for this product.
    Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.19.307 , ≤ 4.19.* (semver)
Unaffected: 5.4.269 , ≤ 5.4.* (semver)
Unaffected: 5.10.210 , ≤ 5.10.* (semver)
Unaffected: 5.15.149 , ≤ 5.15.* (semver)
Unaffected: 6.1.78 , ≤ 6.1.* (semver)
Unaffected: 6.6.17 , ≤ 6.6.* (semver)
Unaffected: 6.7.5 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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\"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/4fdb14ba89faff6e6969a4dffdc8e54235d6e5ed\"}, {\"url\": \"https://git.kernel.org/stable/c/56fae81633ccee307cfcb032f706bf1863a56982\"}, {\"url\": \"https://git.kernel.org/stable/c/b06e067e93fa4b98acfd3a9f38a398ab91bbc58b\"}, {\"url\": \"https://git.kernel.org/stable/c/58fbe665b097bf7b3144da7e7b91fb27aa8d0ae3\"}, {\"url\": \"https://git.kernel.org/stable/c/4e2c4846b2507f6dfc9bea72b7567c2693a82a16\"}, {\"url\": \"https://git.kernel.org/stable/c/7e5ef49670766c9742ffcd9cead7cdb018268719\"}, {\"url\": \"https://git.kernel.org/stable/c/210d938f963dddc543b07e66a79b7d8d4bd00bd8\"}, {\"url\": \"https://git.kernel.org/stable/c/cb88cb53badb8aeb3955ad6ce80b07b598e310b8\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.307\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.269\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.210\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.149\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.78\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.17\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.5\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:53:42.211Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26675\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:53:42.211Z\", \"dateReserved\": \"2024-02-19T14:20:24.151Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-02T07:01:40.054Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.