CVE-2010-0453

mediumpriority · track · 30EPSS 0.008 · 57 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.83% (57th) EPSS

CVSS 4.9 · medium

Is it mine?

67 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-23

The ucode_ioctl function in intel/io/ucode_drv.c in Sun Solaris 10 and OpenSolaris snv_69 through snv_133, when running on x86 architectures, allows local users to cause a denial of service (panic) via a request with a 0 size value to the UCODE_GET_VERSION IOCTL, which triggers a NULL pointer dereference in the ucode_get_rev function, related to retrieval of the microcode revision.

cvss

Technical severity, 0–10. One row per scoring source.

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v2.04.4mediumAV:L/AC:L/Au:N/C:N/I:N/A:C/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-11351Solaris/Open Solaris UCODE_GET_VERSION IOCTL - Denial of ServicePoC · exploit_db

affected products (67)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
sun opensolaris= snv_100nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_101nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_102nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_103nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_104nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_105nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_106nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_107nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_108nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_109nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_110nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_111nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_112nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_113nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_114nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_115nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_116nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_117nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*
sun opensolaris= snv_118nvdUScpe:2.3:o:sun:opensolaris:*:*:*:*:*:*:*:*

showing 20 of 67

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2010-02-03modified 2026-06-16

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+25125 more

references (26)

External citations — patches, advisories, analysis.

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