CVE-2018-13099: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2018-13099 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.47% chance of exploitation in the next 30 days, higher than 84.5% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 03-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.4. A denial of service (out-of-bounds memory access and BUG) can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.47%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.47% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugzilla.kernel.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu23 products
- linux< 4.4.0-145.171 | < 4.15.0-58.64
- linux-aws< 4.4.0-1040.43 | < 4.4.0-1079.89 | < 4.15.0-1047.49
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1047.49~16.04.1
- linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1055.60 | < 4.18.0-1011.11~18.04.1
Debian2 products
- linux< 4.18.10-1
- debian_linuxEOL8.0 | 9.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Linux1 product
- linux_kernel≤ 4.4
Opensuse1 product
- leapEOL42.3
5 vendors · 28 products
References
24 links
lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing ListX Refsource MLISTThird Party Advisory- sourceforge.net/p/linux-f2fs/mailman/message/36356878/X Refsource MISCPatchThird Party AdvisoryREPORT
- bugzilla.kernel.org/show_bug.cgi?id=200179X Refsource MISCExploitIssue TrackingThird Party AdvisoryREPORT
- lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlX Refsource MISCThird Party AdvisoryVDB Entry
Show all 24 references
- git.kernel.org/pub/…REPORT
- git.kernel.org/pub/…REPORT