CVE-2024-26833
Status: AnalyzedMedium (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix memory leak in dm_sw_fini()
After destroying dmub_srv, the memory associated with it is not freed, causing a memory leak:
Fix this by freeing dmub_srv after destroying it.
Technical details traces, logs and code from the original report
unreferenced object 0xffff896302b45800 (size 1024):
comm "(udev-worker)", pid 222, jiffies 4294894636
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 6265fd77):
[<ffffffff993495ed>] kmalloc_trace+0x29d/0x340
[<ffffffffc0ea4a94>] dm_dmub_sw_init+0xb4/0x450 [amdgpu]
[<ffffffffc0ea4e55>] dm_sw_init+0x15/0x2b0 [amdgpu]
[<ffffffffc0ba8557>] amdgpu_device_init+0x1417/0x24e0 [amdgpu]
[<ffffffffc0bab285>] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]
[<ffffffffc0ba09c7>] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]
[<ffffffff9968fd1e>] local_pci_probe+0x3e/0x90
[<ffffffff996918a3>] pci_device_probe+0xc3/0x230
[<ffffffff99805872>] really_probe+0xe2/0x480
[<ffffffff99805c98>] __driver_probe_device+0x78/0x160
[<ffffffff99805daf>] driver_probe_device+0x1f/0x90
[<ffffffff9980601e>] __driver_attach+0xce/0x1c0
[<ffffffff99803170>] bus_for_each_dev+0x70/0xc0
[<ffffffff99804822>] bus_add_driver+0x112/0x210
[<ffffffff99807245>] driver_register+0x55/0x100
[<ffffffff990012d1>] do_one_initcall+0x41/0x300CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Base score: 5.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.23%
- Percentile among all scored CVEs: 12
- Score date: 10/8/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (2)
CWEs
- CWE-401
References
- https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2
- https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e
- https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b
- https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30
- https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857
- https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3
- https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2
- https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e
- https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b
- https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30
- https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857
- https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Raw JSON (NVD)
Show
{
"id": "CVE-2024-26833",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-26833",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-06-17T19:24:28.460328Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"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": "743b9786b14ae0d7d13b3782dccad158e577e9bb",
"lessThan": "b49b022f7dfce85eb77d0d987008fde5c01d7857",
"versionType": "git"
},
{
"status": "affected",
"version": "743b9786b14ae0d7d13b3782dccad158e577e9bb",
"lessThan": "33f649f1b1cea39ed360e6c12bba4fac83118e6e",
"versionType": "git"
},
{
"status": "affected",
"version": "743b9786b14ae0d7d13b3782dccad158e577e9bb",
"lessThan": "58168005337eabef345a872be3f87d0215ff3b30",
"versionType": "git"
},
{
"status": "affected",
"version": "743b9786b14ae0d7d13b3782dccad158e577e9bb",
"lessThan": "10c6b90e975358c17856a578419dc449887899c2",
"versionType": "git"
},
{
"status": "affected",
"version": "743b9786b14ae0d7d13b3782dccad158e577e9bb",
"lessThan": "541e79265ea7e339a7c4a462feafe9f8f996e04b",
"versionType": "git"
},
{
"status": "affected",
"version": "743b9786b14ae0d7d13b3782dccad158e577e9bb",
"lessThan": "bae67893578d608e35691dcdfa90c4957debf1d3",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.6"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.6",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.211",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.150",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.80",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.19",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.7.7",
"versionType": "semver",
"lessThanOrEqual": "6.7.*"
},
{
"status": "unaffected",
"version": "6.8",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2024-04-17T10:15:09.560",
"references": [
{
"url": "https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix memory leak in dm_sw_fini()\n\nAfter destroying dmub_srv, the memory associated with it is\nnot freed, causing a memory leak:\n\nunreferenced object 0xffff896302b45800 (size 1024):\n comm \"(udev-worker)\", pid 222, jiffies 4294894636\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace (crc 6265fd77):\n [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n [<ffffffffc0ea4a94>] dm_dmub_sw_init+0xb4/0x450 [amdgpu]\n [<ffffffffc0ea4e55>] dm_sw_init+0x15/0x2b0 [amdgpu]\n [<ffffffffc0ba8557>] amdgpu_device_init+0x1417/0x24e0 [amdgpu]\n [<ffffffffc0bab285>] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]\n [<ffffffffc0ba09c7>] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]\n [<ffffffff9968fd1e>] local_pci_probe+0x3e/0x90\n [<ffffffff996918a3>] pci_device_probe+0xc3/0x230\n [<ffffffff99805872>] really_probe+0xe2/0x480\n [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n [<ffffffff99804822>] bus_add_driver+0x112/0x210\n [<ffffffff99807245>] driver_register+0x55/0x100\n [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n\nFix this by freeing dmub_srv after destroying it."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige la pérdida de memoria en dm_sw_fini() Después de destruir dmub_srv, la memoria asociada a él no se libera, lo que provoca una pérdida de memoria: objeto sin referencia 0xffff896302b45800 (tamaño 1024) : comm \"(udev-worker)\", pid 222, sjiffies 4294894636 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........... ..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc 6265fd77): [] kmalloc_trace+ 0x29d/0x340 [] dm_dmub_sw_init+0xb4/0x450 [amdgpu] [] dm_sw_init+0x15/0x2b0 [amdgpu] [] 1417/0x24e0 [amdgpu] [] amdgpu_driver_load_kms+0x15 /0x190 [amdgpu] [] amdgpu_pci_probe+0x187/0x4e0 [amdgpu] [] local_pci_probe+0x3e/0x90 [] pci_device_probe+0xc3/0x230 [ ] realmente_probe+0xe2/0x480 [< ffffffff99805c98>] __driver_probe_device+0x78/0x160 [] driver_probe_device+0x1f/0x90 [] __driver_attach+0xce/0x1c0 [] v+0x70/0xc0 [] bus_add_driver+0x112/0x210 [< ffffffff99807245>] driver_register+0x55/0x100 [] do_one_initcall+0x41/0x300 Solucione este problema liberando dmub_srv después de destruirlo."
}
],
"lastModified": "2026-06-17T07:18:27.447",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DA7797D4-A182-44B7-8248-1545687250DA",
"versionEndExcluding": "5.10.211",
"versionStartIncluding": "5.6"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CB6C60DE-9E0C-46C5-904D-D4F4031F8E95",
"versionEndExcluding": "5.15.150",
"versionStartIncluding": "5.11"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BA7850CE-97C9-4408-A348-6173296BCA2B",
"versionEndExcluding": "6.1.80",
"versionStartIncluding": "5.16"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8D82004C-B2AE-4048-9344-32EFF65953B0",
"versionEndExcluding": "6.6.19",
"versionStartIncluding": "6.2"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "575EE16B-67F2-4B5B-B5F8-1877715C898B",
"versionEndExcluding": "6.7.7",
"versionStartIncluding": "6.7"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A780F817-2A77-4130-A9B7-5C25606314E3"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}