cve-2021-47440
Vulnerability from cvelistv5
Published
2024-05-22 06:19
Modified
2024-12-19 07:42
Severity ?
2.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Summary
In the Linux kernel, the following vulnerability has been resolved: net: encx24j600: check error in devm_regmap_init_encx24j600 devm_regmap_init may return error which caused by like out of memory, this will results in null pointer dereference later when reading or writing register: general protection fault in encx24j600_spi_probe KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097] CPU: 0 PID: 286 Comm: spi-encx24j600- Not tainted 5.15.0-rc2-00142-g9978db750e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540 Code: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00 RSP: 0018:ffffc900010476b8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000 RDX: 0000000000000012 RSI: ffff888002de0000 RDI: 0000000000000094 RBP: ffff888013c9a000 R08: 0000000000000000 R09: fffffbfff3f9cc6a R10: ffffc900010476e8 R11: fffffbfff3f9cc69 R12: 0000000000000001 R13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08 FS: 00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459 spi_probe drivers/spi/spi.c:397 really_probe drivers/base/dd.c:517 __driver_probe_device drivers/base/dd.c:751 driver_probe_device drivers/base/dd.c:782 __device_attach_driver drivers/base/dd.c:899 bus_for_each_drv drivers/base/bus.c:427 __device_attach drivers/base/dd.c:971 bus_probe_device drivers/base/bus.c:487 device_add drivers/base/core.c:3364 __spi_add_device drivers/spi/spi.c:599 spi_add_device drivers/spi/spi.c:641 spi_new_device drivers/spi/spi.c:717 new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d00630982840568e85e] dev_attr_store drivers/base/core.c:2074 sysfs_kf_write fs/sysfs/file.c:139 kernfs_fop_write_iter fs/kernfs/file.c:300 new_sync_write fs/read_write.c:508 (discriminator 4) vfs_write fs/read_write.c:594 ksys_write fs/read_write.c:648 do_syscall_64 arch/x86/entry/common.c:50 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113 Add error check in devm_regmap_init_encx24j600 to avoid this situation.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc
Impacted products
Vendor Product Version
Linux Linux Version: 4.4
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: encx24j600: check error in devm_regmap_init_encx24j600\n\ndevm_regmap_init may return error which caused by like out of memory,\nthis will results in null pointer dereference later when reading\nor writing register:\n\ngeneral protection fault in encx24j600_spi_probe\nKASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]\nCPU: 0 PID: 286 Comm: spi-encx24j600- Not tainted 5.15.0-rc2-00142-g9978db750e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nRIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540\nCode: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 \u003c80\u003e 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00\nRSP: 0018:ffffc900010476b8 EFLAGS: 00010207\nRAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000\nRDX: 0000000000000012 RSI: ffff888002de0000 RDI: 0000000000000094\nRBP: ffff888013c9a000 R08: 0000000000000000 R09: fffffbfff3f9cc6a\nR10: ffffc900010476e8 R11: fffffbfff3f9cc69 R12: 0000000000000001\nR13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08\nFS:  00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459\n spi_probe drivers/spi/spi.c:397\n really_probe drivers/base/dd.c:517\n __driver_probe_device drivers/base/dd.c:751\n driver_probe_device drivers/base/dd.c:782\n __device_attach_driver drivers/base/dd.c:899\n bus_for_each_drv drivers/base/bus.c:427\n __device_attach drivers/base/dd.c:971\n bus_probe_device drivers/base/bus.c:487\n device_add drivers/base/core.c:3364\n __spi_add_device drivers/spi/spi.c:599\n spi_add_device drivers/spi/spi.c:641\n spi_new_device drivers/spi/spi.c:717\n new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d00630982840568e85e]\n dev_attr_store drivers/base/core.c:2074\n sysfs_kf_write fs/sysfs/file.c:139\n kernfs_fop_write_iter fs/kernfs/file.c:300\n new_sync_write fs/read_write.c:508 (discriminator 4)\n vfs_write fs/read_write.c:594\n ksys_write fs/read_write.c:648\n do_syscall_64 arch/x86/entry/common.c:50\n entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113\n\nAdd error check in devm_regmap_init_encx24j600 to avoid this situation."
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      "title": "net: encx24j600: check error in devm_regmap_init_encx24j600",
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    "cveId": "CVE-2021-47440",
    "datePublished": "2024-05-22T06:19:34.890Z",
    "dateReserved": "2024-05-21T14:58:30.831Z",
    "dateUpdated": "2024-12-19T07:42:19.991Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47440\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-22T07:15:09.250\",\"lastModified\":\"2024-11-21T06:36:08.900\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: encx24j600: check error in devm_regmap_init_encx24j600\\n\\ndevm_regmap_init may return error which caused by like out of memory,\\nthis will results in null pointer dereference later when reading\\nor writing register:\\n\\ngeneral protection fault in encx24j600_spi_probe\\nKASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]\\nCPU: 0 PID: 286 Comm: spi-encx24j600- Not tainted 5.15.0-rc2-00142-g9978db750e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\\nRIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540\\nCode: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 \u003c80\u003e 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00\\nRSP: 0018:ffffc900010476b8 EFLAGS: 00010207\\nRAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000\\nRDX: 0000000000000012 RSI: ffff888002de0000 RDI: 0000000000000094\\nRBP: ffff888013c9a000 R08: 0000000000000000 R09: fffffbfff3f9cc6a\\nR10: ffffc900010476e8 R11: fffffbfff3f9cc69 R12: 0000000000000001\\nR13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08\\nFS:  00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\nPKRU: 55555554\\nCall Trace:\\n encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459\\n spi_probe drivers/spi/spi.c:397\\n really_probe drivers/base/dd.c:517\\n __driver_probe_device drivers/base/dd.c:751\\n driver_probe_device drivers/base/dd.c:782\\n __device_attach_driver drivers/base/dd.c:899\\n bus_for_each_drv drivers/base/bus.c:427\\n __device_attach drivers/base/dd.c:971\\n bus_probe_device drivers/base/bus.c:487\\n device_add drivers/base/core.c:3364\\n __spi_add_device drivers/spi/spi.c:599\\n spi_add_device drivers/spi/spi.c:641\\n spi_new_device drivers/spi/spi.c:717\\n new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d00630982840568e85e]\\n dev_attr_store drivers/base/core.c:2074\\n sysfs_kf_write fs/sysfs/file.c:139\\n kernfs_fop_write_iter fs/kernfs/file.c:300\\n new_sync_write fs/read_write.c:508 (discriminator 4)\\n vfs_write fs/read_write.c:594\\n ksys_write fs/read_write.c:648\\n do_syscall_64 arch/x86/entry/common.c:50\\n entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113\\n\\nAdd error check in devm_regmap_init_encx24j600 to avoid this situation.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: encx24j600: error de verificaci\u00f3n en devm_regmap_init_encx24j600 devm_regmap_init puede devolver un error causado por falta de memoria, esto resultar\u00e1 en una desreferencia del puntero nulo m\u00e1s adelante al leer o escribir el registro: falla de protecci\u00f3n general en encx24j600_spi_probe KASAN: null-ptr-deref en el rango [0x0000000000000090-0x0000000000000097] CPU: 0 PID: 286 Comm: spi-encx24j600- No contaminado 5.15.0-rc2-00142-g9978db7 50e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652 Nombre del hardware: PC est\u00e1ndar QEMU ( i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 01/04/2014 RIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540 C\u00f3digo: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 \u0026lt;80\u0026gt; 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00 RSP: 0018:ffffc900010476b8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 00000000000000000 RDX: 0000000000000012 RSI: 888002de0000 RDI: 0000000000000094 RBP: ffff888013c9a000 R08: 0000000000000000 R09: ffffbfff3f9cc6a R10: ffffc900010476e8 R11: ffffbfff3f9cc69 : 0000000000000001 R13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08 FS: 00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 00000 00000000000DR2 : 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Seguimiento de llamadas: encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459 spi_probe drivers/spi/spi.c:397 Actually_probe drivers/base/dd.c:517 __driver_probe_device drivers/base/dd.c:751 driver_probe_device drivers/ base/dd.c:782 __device_attach_driver drivers/base/dd.c:899 bus_for_each_drv drivers/base/bus.c:427 __device_attach drivers/base/dd.c:971 bus_probe_device drivers/base/bus.c:487 device_add drivers/ base/core.c:3364 __spi_add_device drivers/spi/spi.c:599 spi_add_device drivers/spi/spi.c:641 spi_new_device drivers/spi/spi.c:717 new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d0 0630982840568e85e] controladores/base dev_attr_store /core.c:2074 sysfs_kf_write fs/sysfs/file.c:139 kernfs_fop_write_iter fs/kernfs/file.c:300 new_sync_write fs/read_write.c:508 (discriminador 4) vfs_write fs/read_write.c:594 ksys_write fs/read_write .c:648 do_syscall_64 arch/x86/entry/common.c:50 Entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113 Agregue verificaci\u00f3n de errores en devm_regmap_init_encx24j600 para evitar esta situaci\u00f3n.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":2.3,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":0.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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