kernel LTC31426-4k page mapping support for userspace in 64k kernels
Published Oct 23, 2007
1.9
LOWCVSS 2.0
EPSS 0.34%
Description
The eHCA driver in Linux kernel 2.6 before 2.6.22, when running on PowerPC, does not properly map userspace resources, which allows local users to read portions of physical address space.
Affected products
No data.
- ≤ 2.6.21
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-8.1.15.el5
Fixed · RHSA-2007:0940
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-8.1.15.el5 | Fixed | RHSA-2007:0940 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00340) | 25.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00340) | 25.57th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00057) | 15.14th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.03% (0.01034) | 41.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (10)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=721151d004dcf01a71b12bb6b893f9160284cf6e x_refsource_CONFIRM
- http://osvdb.org/45488 vdb-entryx_refsource_OSVDB
- http://rhn.redhat.com/errata/RHSA-2007-0940.html vendor-advisoryx_refsource_REDHATPatch
- http://secunia.com/advisories/27322 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/26161 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2007-3850 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=308811 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2007-3850
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10793 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-3850
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=721151d004dcf01a71b12bb6b893f9160284cf6e | x_refsource_CONFIRM | |
| http://osvdb.org/45488 | vdb-entryx_refsource_OSVDB | |
| http://rhn.redhat.com/errata/RHSA-2007-0940.html | vendor-advisoryx_refsource_REDHATPatch | |
| http://secunia.com/advisories/27322 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/26161 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2007-3850 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=308811 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-3850 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10793 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2007-3850 |
Change history (0)
No recorded changes yet.