CVE-2022-50779
Estado: AplazadaSin puntuar—
In the Linux kernel, the following vulnerability has been resolved:
orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()
When insert and remove the orangefs module, then debug_help_string will be leaked:
When remove the module, should always free debug_help_string. Should always free the allocated buffer when change the free_debug_help_string.
Detalles técnicos trazas, registros y código del informe original
unreferenced object 0xffff8881652ba000 (size 4096):
comm "insmod", pid 1701, jiffies 4294893639 (age 13218.530s)
hex dump (first 32 bytes):
43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79 Client Debug Key
77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77 words are unknow
backtrace:
[<0000000004e6f8e3>] kmalloc_trace+0x27/0xa0
[<0000000006f75d85>] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs]
[<0000000091270a2a>] _sub_I_65535_1+0x57/0xf70 [crc_itu_t]
[<000000004b1ee1a3>] do_one_initcall+0x87/0x2a0
[<000000001d0614ae>] do_init_module+0xdf/0x320
[<00000000efef068c>] load_module+0x2f98/0x3330
[<000000006533b44d>] __do_sys_finit_module+0x113/0x1b0
[<00000000a0da6f99>] do_syscall_64+0x35/0x80
[<000000007790b19b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.30%
- Percentil entre todas las CVEs puntuadas: 21
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
- https://git.kernel.org/stable/c/19be31668552a198e887762e25bdcc560800ecb4
- https://git.kernel.org/stable/c/2e7c09121064df93c58bbc49d3d0f608d3f584bd
- https://git.kernel.org/stable/c/39529b79b023713d4f2d3479dc0ca43ba99df726
- https://git.kernel.org/stable/c/3fc221d9a16339a913a0341d3efc7fef339073e1
- https://git.kernel.org/stable/c/44d3eac26a5e5268d11cc342dc202b0d31505c0a
- https://git.kernel.org/stable/c/b8affa0c6405ee968dcb6030bee2cf719a464752
- https://git.kernel.org/stable/c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea
- https://git.kernel.org/stable/c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1
- https://git.kernel.org/stable/c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-50779",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "44d3eac26a5e5268d11cc342dc202b0d31505c0a",
"versionType": "git"
},
{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "f2b8a6aac561a49fe02c99683c40a8b87a9f68fc",
"versionType": "git"
},
{
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"versionType": "git"
},
{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "2e7c09121064df93c58bbc49d3d0f608d3f584bd",
"versionType": "git"
},
{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "b8affa0c6405ee968dcb6030bee2cf719a464752",
"versionType": "git"
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{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "39529b79b023713d4f2d3479dc0ca43ba99df726",
"versionType": "git"
},
{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "3fc221d9a16339a913a0341d3efc7fef339073e1",
"versionType": "git"
},
{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "19be31668552a198e887762e25bdcc560800ecb4",
"versionType": "git"
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{
"status": "affected",
"version": "dc0336214eb07ee9de2a41dd4c81c744ffa419ac",
"lessThan": "d23417a5bf3a3afc55de5442eb46e1e60458b0a1",
"versionType": "git"
}
],
"programFiles": [
"fs/orangefs/orangefs-debugfs.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.9.337",
"versionType": "semver",
"lessThanOrEqual": "4.9.*"
},
{
"status": "unaffected",
"version": "4.14.303",
"versionType": "semver",
"lessThanOrEqual": "4.14.*"
},
{
"status": "unaffected",
"version": "4.19.270",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.229",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.163",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.86",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.0.16",
"versionType": "semver",
"lessThanOrEqual": "6.0.*"
},
{
"status": "unaffected",
"version": "6.1.2",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/orangefs/orangefs-debugfs.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-12-24T13:16:04.740",
"references": [
{
"url": "https://git.kernel.org/stable/c/19be31668552a198e887762e25bdcc560800ecb4",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/2e7c09121064df93c58bbc49d3d0f608d3f584bd",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/39529b79b023713d4f2d3479dc0ca43ba99df726",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/3fc221d9a16339a913a0341d3efc7fef339073e1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/44d3eac26a5e5268d11cc342dc202b0d31505c0a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b8affa0c6405ee968dcb6030bee2cf719a464752",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Deferred",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()\n\nWhen insert and remove the orangefs module, then debug_help_string will\nbe leaked:\n\n unreferenced object 0xffff8881652ba000 (size 4096):\n comm \"insmod\", pid 1701, jiffies 4294893639 (age 13218.530s)\n hex dump (first 32 bytes):\n 43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79 Client Debug Key\n 77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77 words are unknow\n backtrace:\n [<0000000004e6f8e3>] kmalloc_trace+0x27/0xa0\n [<0000000006f75d85>] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs]\n [<0000000091270a2a>] _sub_I_65535_1+0x57/0xf70 [crc_itu_t]\n [<000000004b1ee1a3>] do_one_initcall+0x87/0x2a0\n [<000000001d0614ae>] do_init_module+0xdf/0x320\n [<00000000efef068c>] load_module+0x2f98/0x3330\n [<000000006533b44d>] __do_sys_finit_module+0x113/0x1b0\n [<00000000a0da6f99>] do_syscall_64+0x35/0x80\n [<000000007790b19b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nWhen remove the module, should always free debug_help_string. Should\nalways free the allocated buffer when change the free_debug_help_string."
}
],
"lastModified": "2026-06-17T05:24:09.877",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}