CVE-2024-53107 (GCVE-0-2024-53107)
Vulnerability from cvelistv5 – Published: 2024-12-02 13:44 – Updated: 2026-08-05 11:43
VLAI
EPSS
VEX
Title
fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()
The "arg->vec_len" variable is a u64 that comes from the user at the start
of the function. The "arg->vec_len * sizeof(struct page_region))"
multiplication can lead to integer wrapping. Use size_mul() to avoid
that.
Also the size_add/mul() functions work on unsigned long so for 32bit
systems we need to ensure that "arg->vec_len" fits in an unsigned long.
Severity
7.8 (High)
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:10 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
52526ca7fdb905a768a93f8faa418e9b988fc34b , < adee03f8903c58a6a559f21388a430211fac8ce9
(git)
Affected: 52526ca7fdb905a768a93f8faa418e9b988fc34b , < 669b0cb81e4e4e78cff77a5b367c7f70c0c6c05e (git) |
guessed | |
| Linux | Linux |
Affected:
6.7
Unaffected: 0 , < 6.7 (semver) Unaffected: 6.11.10 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
guessed |
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerability is reached only through the PAGEMAP_SCAN ioctl on /proc/\u003cpid\u003e/pagemap, which requires a local process on the system. There is no network-facing consumer of this interface.\nAC:L - Triggering is fully deterministic \u2014 the attacker simply passes a crafted vec_len (e.g. 2^61, or 0x1_0000_0001) in the pm_scan_arg struct; no race, timing window, or uncontrollable memory state is involved, and the attacker shapes both the slab allocation size and the overflow contents via its own VMA layout.\nPR:L - Any unprivileged local user can open /proc/self/pagemap, since proc_mem_open(PTRACE_MODE_READ) always permits self-access and no capability is checked on the PAGEMAP_SCAN path. CONFIG_PROC_PAGE_MONITOR is enabled by default.\nUI:N - The attacking process performs the entire sequence itself \u2014 open its own pagemap file and issue one ioctl. No victim action or cooperation is needed.\nS:U - The corruption stays within the kernel of the affected system and the calling process\u0027s own address space; no VM, IOMMU, or other security-authority boundary is crossed.\nC:H - The defeated access_ok range check plus the resulting unbounded slab out-of-bounds write past a 24-byte kmalloc object lets an attacker corrupt adjacent slab objects (pointers, lengths, credentials), a classic heap-overflow primitive readily leveraged for arbitrary kernel memory disclosure.\nI:H - The vec_buf_len underflow in pagemap_scan_push_range yields a repeatable out-of-bounds heap write with partially attacker-shaped 24-byte payloads, giving an arbitrary-write primitive suitable for control-flow hijack and privilege escalation.\nA:H - The same input path produces an immediate kernel oops by dereferencing ZERO_SIZE_PTR (write at address 0x10) when kmalloc_array(0, 24) is used, and the slab overflow reliably panics the kernel on any hardened/allocator-checked configuration."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T11:43:45.543Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/adee03f8903c58a6a559f21388a430211fac8ce9"
},
{
"url": "https://git.kernel.org/stable/c/669b0cb81e4e4e78cff77a5b367c7f70c0c6c05e"
}
],
"title": "fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-53107",
"datePublished": "2024-12-02T13:44:39.811Z",
"dateReserved": "2024-11-19T17:17:24.992Z",
"dateUpdated": "2026-08-05T11:43:45.543Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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- 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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.