cve-2024-46798
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2024-12-19 09:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object When using kernel with the following extra config, - CONFIG_KASAN=y - CONFIG_KASAN_GENERIC=y - CONFIG_KASAN_INLINE=y - CONFIG_KASAN_VMALLOC=y - CONFIG_FRAME_WARN=4096 kernel detects that snd_pcm_suspend_all() access a freed 'snd_soc_pcm_runtime' object when the system is suspended, which leads to a use-after-free bug: [ 52.047746] BUG: KASAN: use-after-free in snd_pcm_suspend_all+0x1a8/0x270 [ 52.047765] Read of size 1 at addr ffff0000b9434d50 by task systemd-sleep/2330 [ 52.047785] Call trace: [ 52.047787] dump_backtrace+0x0/0x3c0 [ 52.047794] show_stack+0x34/0x50 [ 52.047797] dump_stack_lvl+0x68/0x8c [ 52.047802] print_address_description.constprop.0+0x74/0x2c0 [ 52.047809] kasan_report+0x210/0x230 [ 52.047815] __asan_report_load1_noabort+0x3c/0x50 [ 52.047820] snd_pcm_suspend_all+0x1a8/0x270 [ 52.047824] snd_soc_suspend+0x19c/0x4e0 The snd_pcm_sync_stop() has a NULL check on 'substream->runtime' before making any access. So we need to always set 'substream->runtime' to NULL everytime we kfree() it.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3033ed903b4f28b5e1ab66042084fbc2c48f8624Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5d13afd021eb43868fe03cef6da34ad08831ad6dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6a14fad8be178df6c4589667efec1789a3307b4ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ca21e7a27c66b95a4b215edc8e45e5d66679f9fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/993b60c7f93fa1d8ff296b58f646a867e945ae89Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4a90b543d9f62d3ac34ec1ab97fc5334b048565Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fe5046ca91d631ec432eee3bdb1f1c49b09c8b5ePatch
Impacted products
Vendor Product Version
Linux Linux Version: 5.4
Show details on NVD website

To clipboard 

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                "id": "CVE-2024-46798",
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                "timestamp": "2024-09-29T14:22:12.387041Z",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: dapm: Fix UAF for snd_soc_pcm_runtime object\n\nWhen using kernel with the following extra config,\n\n  - CONFIG_KASAN=y\n  - CONFIG_KASAN_GENERIC=y\n  - CONFIG_KASAN_INLINE=y\n  - CONFIG_KASAN_VMALLOC=y\n  - CONFIG_FRAME_WARN=4096\n\nkernel detects that snd_pcm_suspend_all() access a freed\n\u0027snd_soc_pcm_runtime\u0027 object when the system is suspended, which\nleads to a use-after-free bug:\n\n[   52.047746] BUG: KASAN: use-after-free in snd_pcm_suspend_all+0x1a8/0x270\n[   52.047765] Read of size 1 at addr ffff0000b9434d50 by task systemd-sleep/2330\n\n[   52.047785] Call trace:\n[   52.047787]  dump_backtrace+0x0/0x3c0\n[   52.047794]  show_stack+0x34/0x50\n[   52.047797]  dump_stack_lvl+0x68/0x8c\n[   52.047802]  print_address_description.constprop.0+0x74/0x2c0\n[   52.047809]  kasan_report+0x210/0x230\n[   52.047815]  __asan_report_load1_noabort+0x3c/0x50\n[   52.047820]  snd_pcm_suspend_all+0x1a8/0x270\n[   52.047824]  snd_soc_suspend+0x19c/0x4e0\n\nThe snd_pcm_sync_stop() has a NULL check on \u0027substream-\u003eruntime\u0027 before\nmaking any access. So we need to always set \u0027substream-\u003eruntime\u0027 to NULL\neverytime we kfree() it."
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      "title": "ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46798",
    "datePublished": "2024-09-18T07:12:52.628Z",
    "dateReserved": "2024-09-11T15:12:18.280Z",
    "dateUpdated": "2024-12-19T09:23:21.773Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-46798\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-18T08:15:06.463\",\"lastModified\":\"2024-09-20T18:17:50.763\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nASoC: dapm: Fix UAF for snd_soc_pcm_runtime object\\n\\nWhen using kernel with the following extra config,\\n\\n  - CONFIG_KASAN=y\\n  - CONFIG_KASAN_GENERIC=y\\n  - CONFIG_KASAN_INLINE=y\\n  - CONFIG_KASAN_VMALLOC=y\\n  - CONFIG_FRAME_WARN=4096\\n\\nkernel detects that snd_pcm_suspend_all() access a freed\\n\u0027snd_soc_pcm_runtime\u0027 object when the system is suspended, which\\nleads to a use-after-free bug:\\n\\n[   52.047746] BUG: KASAN: use-after-free in snd_pcm_suspend_all+0x1a8/0x270\\n[   52.047765] Read of size 1 at addr ffff0000b9434d50 by task systemd-sleep/2330\\n\\n[   52.047785] Call trace:\\n[   52.047787]  dump_backtrace+0x0/0x3c0\\n[   52.047794]  show_stack+0x34/0x50\\n[   52.047797]  dump_stack_lvl+0x68/0x8c\\n[   52.047802]  print_address_description.constprop.0+0x74/0x2c0\\n[   52.047809]  kasan_report+0x210/0x230\\n[   52.047815]  __asan_report_load1_noabort+0x3c/0x50\\n[   52.047820]  snd_pcm_suspend_all+0x1a8/0x270\\n[   52.047824]  snd_soc_suspend+0x19c/0x4e0\\n\\nThe snd_pcm_sync_stop() has a NULL check on \u0027substream-\u003eruntime\u0027 before\\nmaking any access. So we need to always set \u0027substream-\u003eruntime\u0027 to NULL\\neverytime we kfree() it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: dapm: Corregir UAF para el objeto snd_soc_pcm_runtime Cuando se usa el kernel con la siguiente configuraci\u00f3n adicional, - CONFIG_KASAN=y - CONFIG_KASAN_GENERIC=y - CONFIG_KASAN_INLINE=y - CONFIG_KASAN_VMALLOC=y - CONFIG_FRAME_WARN=4096 el kernel detecta que snd_pcm_suspend_all() accede a un objeto \u0027snd_soc_pcm_runtime\u0027 liberado cuando el sistema est\u00e1 suspendido, lo que conduce a un error de use after free: [ 52.047746] ERROR: KASAN: use after free en snd_pcm_suspend_all+0x1a8/0x270 [ 52.047765] Lectura de tama\u00f1o 1 en la direcci\u00f3n ffff0000b9434d50 por la tarea systemd-sleep/2330 [ 52.047785] Seguimiento de llamadas: [ 52.047787] dump_backtrace+0x0/0x3c0 [ 52.047794] show_stack+0x34/0x50 [ 52.047797] dump_stack_lvl+0x68/0x8c [ 52.047802] print_address_description.constprop.0+0x74/0x2c0 [ 52.047809] kasan_report+0x210/0x230 [ 52.047815] __asan_report_load1_noabort+0x3c/0x50 [ 52.047820] snd_pcm_suspend_all+0x1a8/0x270 [ 52.047824] snd_soc_suspend+0x19c/0x4e0 La funci\u00f3n snd_pcm_sync_stop() tiene una comprobaci\u00f3n NULL en \u0027substream-\u0026gt;runtime\u0027 antes de realizar cualquier acceso. Por lo tanto, siempre debemos establecer \u0027substream-\u0026gt;runtime\u0027 en NULL cada vez que lo ejecutamos con kfree().\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4\",\"versionEndExcluding\":\"5.4.284\",\"matchCriteriaId\":\"6ACBB349-F6C0-4395-8228-F0758C99886A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.226\",\"matchCriteriaId\":\"864FC17C-501A-4823-A643-6F35D65D8A97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.167\",\"matchCriteriaId\":\"043405A4-25FE-45D4-A7BB-2A0C3B7D17C1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.110\",\"matchCriteriaId\":\"6B1A95FC-7E7E-428B-BB59-F76640C652AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.51\",\"matchCriteriaId\":\"E4529134-BAC4-4776-840B-304009E181A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.10\",\"matchCriteriaId\":\"ACDEE48C-137A-4731-90D0-A675865E1BED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0005AEF-856E-47EB-BFE4-90C46899394D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"39889A68-6D34-47A6-82FC-CD0BF23D6754\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8383ABF-1457-401F-9B61-EE50F4C61F4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"B77A9280-37E6-49AD-B559-5B23A3B1DC3D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3033ed903b4f28b5e1ab66042084fbc2c48f8624\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5d13afd021eb43868fe03cef6da34ad08831ad6d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6a14fad8be178df6c4589667efec1789a3307b4e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8ca21e7a27c66b95a4b215edc8e45e5d66679f9f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/993b60c7f93fa1d8ff296b58f646a867e945ae89\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b4a90b543d9f62d3ac34ec1ab97fc5334b048565\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe5046ca91d631ec432eee3bdb1f1c49b09c8b5e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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