CVE-2018-13093
An issue was discovered in fs/xfs/xfs_icache.c in the Linux kernel through 4.17.3. There is a NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on
02 Description
An issue was discovered in fs/xfs/xfs_icache.c in the Linux kernel through 4.17.3. There is a NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 77.0% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-07-03 05:00Z8 YR AGO
- Last updated
- 2024-08-05 08:52Z2 YR AGO
- Reserved
- 2018-07-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 0de622701381d45886ea9bcd32adb441108ab3316ac476af6e15334443f9d8a0
05 Affected products
06 References
- git.kernel.orghttps://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=afca6c5b2595fc44383919fba740c194b0b76aff
- github.comhttps://github.com/torvalds/linux/commit/afca6c5b2595fc44383919fba740c194b0b76aff
- bugzilla.kernel.orghttps://bugzilla.kernel.org/show_bug.cgi?id=199367
- access.redhat.comRHSA-2019:2043https://access.redhat.com/errata/RHSA-2019:2043
- access.redhat.comRHSA-2019:2029https://access.redhat.com/errata/RHSA-2019:2029
- usn.ubuntu.comUSN-4094-1https://usn.ubuntu.com/4094-1/
- usn.ubuntu.comUSN-4118-1https://usn.ubuntu.com/4118-1/
- lists.debian.org[debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
07 Fixed in
Debian 12
- linux Fixed in 4.17.14-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.17.14-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.17.14-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux Fixed in 4.4.0-201.233
- linux-aws Fixed in 4.4.0-1121.135
- linux-aws-hwe Fixed in 4.15.0-1047.49~16.04.1
- linux-azure Fixed in 4.15.0-1055.60
- linux-gcp Fixed in 4.15.0-1040.42~16.04.1
- linux-hwe Fixed in 4.15.0-58.64~16.04.1
- linux-kvm Fixed in 4.4.0-1087.96
- linux-oracle Fixed in 4.15.0-1021.23~16.04.1
- linux-raspi2 Fixed in 4.4.0-1145.155
- linux-snapdragon Fixed in 4.4.0-1149.159
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- linux Fixed in 4.15.0-58.64
- linux-aws Fixed in 4.15.0-1047.49
- linux-azure Fixed in 4.18.0-1011.11~18.04.1
- linux-gcp Fixed in 4.15.0-1040.42
- linux-gke-4.15 Fixed in 4.15.0-1040.42
- linux-kvm Fixed in 4.15.0-1042.42
- linux-oem Fixed in 4.15.0-1050.57
- linux-oracle Fixed in 4.15.0-1021.23
- linux-raspi2 Fixed in 4.15.0-1043.46
- linux-snapdragon Fixed in 4.15.0-1060.66
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- linux-azure-fde No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- linux-intel-iot-realtime No fix yet
- linux-realtime No fix yet
- linux-riscv No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- linux-raspi-realtime No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- linux Fixed in 3.13.0-218.269Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro
- linux-aws Fixed in 4.4.0-1085.89Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-azure Fixed in 4.15.0-1059.64~14.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-lts-xenial Fixed in 4.4.0-201.233~14.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 16.04 LTS
- linux-fips Fixed in 4.4.0-1055.61Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 18.04 LTS
- linux-aws-fips Fixed in 4.15.0-2018.18Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-azure-fips Fixed in 4.15.0-2006.7Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 16.04 LTS
- linux-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 18.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.