Description
The parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel before 3.18.2 does not validate a length value in the Extensions Reference (ER) System Use Field, which allows local users to obtain sensitive information from kernel memory via a crafted iso9660 image.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 3.16.7-ckt4-1 | — |
| Debian 13 | linux | 3.16.7-ckt4-1 | — |
| Debian 12 | linux | 3.16.7-ckt4-1 | — |
| Debian 7 | linux | 3.2.65-1+deb7u1 | DSA-3128-1 |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze11 | DLA-155-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-riscv +6 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +4 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +3 | No fix yet | — |
| Ubuntu 14.04 LTS | linux | 3.13.0-46.75 | USN-2516-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-31.41~14.04.1 | USN-2517-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-kdump +4 | 3.10.0-229.7.2.el7 | RHSA-2015:1137 |
| RHEL 7 | kernel-rt +7 | 3.10.0-229.7.2.rt56.141.6.el7_1 | RHSA-2015:1139 |
| RHEL 7 | perf +13 | 3.10.0-229.7.2.ael7b | RHSA-2015:1137 |
| RHEL 6 | perf +16 | 2.6.32-504.16.2.el6 | RHSA-2015:0864 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-229.rt56.153.el6rt | RHSA-2015:1138 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | kernel-docs | 3.12.38-44.5 | SUSE-SU-2015:0529-1 |
| SLES 12 | kernel-ec2 +5 | 3.12.38-44.1 | SUSE-SU-2015:0529-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | kernel-xen +3 | 3.12.38-44.1 | SUSE-SU-2015:0529-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_3 | 1-2.2 | SUSE-SU-2015:0529-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-68.1.3.el6uek | 0.4.3-4.el6 | ELSA-2015-3032 |
| Oracle Linux 7 | dtrace-modules-3.8.13-68.1.3.el7uek | 0.4.3-4.el7 | ELSA-2015-3032 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-68.1.3.el7uek | ELSA-2015-3032 |
| Oracle Linux 7 | perf +11 | 3.10.0-229.7.2.el7 | ELSA-2015-1137 |
Advisories 11
- RHSA-2015:1139 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1138 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1137 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:0864 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-2516-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3128-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-155-1 linux-2.6 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2517-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2015:0529-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2015-1137 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 23, 2015
- ELSA-2015-3032 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 23, 2015
References
- USN-2515-1 vendor-advisory
- SUSE-SU-2015:0736 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1180119
- SUSE-SU-2015:0652 vendor-advisory
- USN-2512-1 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- [oss-security] 20150109 Re: CVE request Linux kernel: isofs: unchecked printing of ER records mailing-list
- USN-2514-1 vendor-advisory
- RHSA-2015:1138 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e2024624e678f0ebb916e6192bd23c1f9fdf696
- USN-2518-1 vendor-advisory
- RHSA-2015:0864 vendor-advisory
- SUSE-SU-2015:0481 vendor-advisory
- MDVSA-2015:058 vendor-advisory
- https://github.com/torvalds/linux/commit/4e2024624e678f0ebb916e6192bd23c1f9fdf696
- openSUSE-SU-2015:0566 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2
- 71883 vdb-entry
- SUSE-SU-2015:0529 vendor-advisory
- USN-2517-1 vendor-advisory
- openSUSE-SU-2015:0714 vendor-advisory
- DSA-3128 vendor-advisory
- USN-2516-1 vendor-advisory
- RHSA-2015:1137 vendor-advisory
- USN-2513-1 vendor-advisory
- USN-2511-1 vendor-advisory
- SUSE-SU-2015:0812 vendor-advisory