MEDIUM
kernel: fix LOOKUP_FOLLOW on automount "symlinks"
Published Apr 6, 2010
5.4
MEDIUMCVSS 2.0
EPSS 2.77%
Description
fs/namei.c in Linux kernel 2.6.18 through 2.6.34 does not always follow NFS automount "symlinks," which allows attackers to have an unknown impact, related to LOOKUP_FOLLOW.
Affected products
No data.
OR
- 2.6.18
- 2.6.18.1
- 2.6.18.2
- 2.6.18.3
- 2.6.18.4
- 2.6.18.5
- 2.6.18.6
- 2.6.18.7
- 2.6.18.8
- 2.6.19
- 2.6.19.1
- 2.6.19.2
- 2.6.19.3
- 2.6.19.4
- 2.6.19.5
- 2.6.19.6
- 2.6.19.7
- 2.6.20
- 2.6.20.1
- 2.6.20.2
- 2.6.20.3
- 2.6.20.4
- 2.6.20.5
- 2.6.20.6
- 2.6.20.7
- 2.6.20.8
- 2.6.20.9
- 2.6.20.10
- 2.6.20.11
- 2.6.20.12
- 2.6.20.13
- 2.6.20.14
- 2.6.20.15
- 2.6.20.16
- 2.6.20.17
- 2.6.20.18
- 2.6.20.19
- 2.6.20.20
- 2.6.20.21
- 2.6.21
- 2.6.21.1
- 2.6.21.2
- 2.6.21.3
- 2.6.21.4
- 2.6.21.5
- 2.6.21.6
- 2.6.21.7
- 2.6.22
- 2.6.22.1
- 2.6.22.2
- 2.6.22.3
- 2.6.22.4
- 2.6.22.5
- 2.6.22.6
- 2.6.22.7
- 2.6.22.8
- 2.6.22.9
- 2.6.22.10
- 2.6.22.11
- 2.6.22.12
- 2.6.22.13
- 2.6.22.14
- 2.6.22.15
- 2.6.22.16
- 2.6.22.17
- 2.6.22.18
- 2.6.22.19
- 2.6.23
- 2.6.23.1
- 2.6.23.2
- 2.6.23.3
- 2.6.23.4
- 2.6.23.5
- 2.6.23.6
- 2.6.23.7
- 2.6.23.8
- 2.6.23.9
- 2.6.23.10
- 2.6.23.11
- 2.6.23.12
- 2.6.23.13
- 2.6.23.14
- 2.6.23.15
- 2.6.23.16
- 2.6.23.17
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24.1
- 2.6.24.2
- 2.6.24.3
- 2.6.24.4
- 2.6.24.5
- 2.6.24.6
- 2.6.24.7
- 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
- 2.6.25.9
- 2.6.25.10
- 2.6.25.11
- 2.6.25.12
- 2.6.25.13
- 2.6.25.14
- 2.6.25.15
- 2.6.25.16
- 2.6.25.17
- 2.6.25.18
- 2.6.25.19
- 2.6.25.20
- 2.6.26
- 2.6.26.1
- 2.6.26.2
- 2.6.26.3
- 2.6.26.4
- 2.6.26.5
- 2.6.26.6
- 2.6.26.7
- 2.6.26.8
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27.1
- 2.6.27.2
- 2.6.27.3
- 2.6.27.4
- 2.6.27.5
- 2.6.27.6
- 2.6.27.7
- 2.6.27.8
- 2.6.27.9
- 2.6.27.10
- 2.6.27.11
- 2.6.27.12
- 2.6.27.13
- 2.6.27.14
- 2.6.27.15
- 2.6.27.16
- 2.6.27.17
- 2.6.27.18
- 2.6.27.19
- 2.6.27.20
- 2.6.27.21
- 2.6.27.22
- 2.6.27.23
- 2.6.27.24
- 2.6.27.25
- 2.6.27.26
- 2.6.27.27
- 2.6.27.28
- 2.6.27.29
- 2.6.27.30
- 2.6.27.31
- 2.6.27.32
- 2.6.27.33
- 2.6.27.34
- 2.6.27.35
- 2.6.27.36
- 2.6.27.37
- 2.6.27.38
- 2.6.27.39
- 2.6.27.40
- 2.6.27.41
- 2.6.27.42
- 2.6.27.43
- 2.6.27.44
- 2.6.27.45
- 2.6.28
- 2.6.28.1
- 2.6.28.2
- 2.6.28.3
- 2.6.28.4
- 2.6.28.5
- 2.6.28.6
- 2.6.28.7
- 2.6.28.8
- 2.6.28.9
- 2.6.28.10
- 2.6.29
- 2.6.29.1
- 2.6.29.2
- 2.6.29.3
- 2.6.29.4
- 2.6.29.5
- 2.6.29.6
- 2.6.30
- 2.6.30.1
- 2.6.30.2
- 2.6.30.3
- 2.6.30.4
- 2.6.30.5
- 2.6.30.6
- 2.6.30.7
- 2.6.30.8
- 2.6.30.9
- 2.6.30.10
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31.1
- 2.6.31.2
- 2.6.31.3
- 2.6.31.4
- 2.6.31.5
- 2.6.31.6
- 2.6.31.7
- 2.6.31.8
- 2.6.31.9
- 2.6.31.10
- 2.6.31.11
- 2.6.31.12
- 2.6.31.13
- 2.6.32
- 2.6.32.1
- 2.6.32.2
- 2.6.32.3
- 2.6.32.4
- 2.6.32.5
- 2.6.32.6
- 2.6.32.7
- 2.6.32.8
- 2.6.32.9
- 2.6.32.10
- 2.6.32.11
- 2.6.33
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
- 2.6.34
No data.
MRG for RHEL-5
kernel-rt-0:2.6.24.7-161.el5rt
Fixed · RHSA-2010:0631
Red Hat Enterprise Linux 5
kernel-0:2.6.18-194.8.1.el5
Fixed · RHSA-2010:0504
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.24.7-161.el5rt | Fixed | RHSA-2010:0631 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-194.8.1.el5 | Fixed | RHSA-2010:0504 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3 and 4 as this issue only affects kernel version 2.6.18 and onwards. A future update in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG may address this flaw.
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.
5.4 MEDIUM NVD
AV:N/AC:H/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.77% 0.02774
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02774
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 | 2.77% (0.02774) | 85.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.77% (0.02774) | 84.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.33% (0.02334) | 83.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00258) | 66.01th | v3 (v2023.03.01) |
| May 3, 2024 | 0.26% (0.00258) | 65.33th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.26% (0.00258) | 63.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00330) | 66.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (18)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=ac278a9c505092dd82077a2446af8f9fc0d9c095 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/39742 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/39830 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/43315 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2010/dsa-2053 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:088 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:198 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2010_23_kernel.html vendor-advisoryx_refsource_SUSE
- http://www.openwall.com/lists/oss-security/2010/02/24/3 mailing-listx_refsource_MLISTPatch
- http://www.securityfocus.com/archive/1/516397/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/39044 vdb-entryx_refsource_BID
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2010-1088 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=567813 x_refsource_CONFIRMPatchIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-1088
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10093 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2010-1088
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 6, 2010
Updated Aug 7, 2024
Reserved Mar 23, 2010
Link CVE-2010-1088
CISA Vulnrichment
Updated n/a