kernel: Reinstate ZERO_PAGE optimization in 'get_user_pages()' and fix XIP
Published Jul 2, 2008
4.9
MEDIUMCVSS 2.0
EPSS 0.39%
Description
The Linux kernel 2.6.24 and 2.6.25 before 2.6.25.9 allows local users to cause a denial of service (memory consumption) via a large number of calls to the get_user_pages function, which lacks a ZERO_PAGE optimization and results in allocation of "useless newly zeroed pages."
Affected products
No data.
- 2.6.24
- 2.6.25
- 2.6.25.1
- 2.6.25.2
- 2.6.25.3
- 2.6.25.4
- 2.6.25.5
- 2.6.25.6
- 2.6.25.7
- 2.6.25.8
No data.
MRG for RHEL-5
kernel-rt-0:2.6.24.7-74.el5rt
Fixed · RHSA-2008:0585
Red Hat Enterprise Linux 5
kernel-0:2.6.18-92.1.18.el5
Fixed · RHSA-2008:0957
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.24.7-74.el5rt | Fixed | RHSA-2008:0585 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-92.1.18.el5 | Fixed | RHSA-2008:0957 |
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:L/Au:N/C:N/I:N/A:C
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00387) | 30.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00387) | 30.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00045) | 10.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (24)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=89f5b7da2a6bad2e84670422ab8192382a5aeb9f x_refsource_CONFIRM
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.9 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00009.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html vendor-advisoryx_refsource_SUSE
- http://new-ubuntu-news.blogspot.com/2008/06/re-pending-stable-kernel-security_25.html x_refsource_MISC
- http://secunia.com/advisories/30901 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/30982 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/31202 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/31628 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32393 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32485 third-party-advisoryx_refsource_SECUNIA
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0207 x_refsource_CONFIRM
- http://www.redhat.com/support/errata/RHSA-2008-0585.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2008-0957.html vendor-advisoryx_refsource_REDHAT
- http://www.ubuntu.com/usn/usn-659-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ussg.iu.edu/hypermail/linux/kernel/0804.3/3203.html mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2008-2372 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=452666 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43550 vdb-entryx_refsource_XF
- https://issues.rpath.com/browse/RPL-2629 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2008-2372
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9383 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2008-2372
Change history (0)
No recorded changes yet.