kernel: out-of-bounds memory access in fs/f2fs/inline.c
Published Jul 3, 2018
5.5
MEDIUMCVSS 3.1
EPSS 2.47%
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.
Affected products
No data.
Configuration 1
- ≤ 4.4
Configuration 2
- 8.0
- 9.0
Configuration 4
- 14.04
- 16.04
- 18.04
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.47% (0.02468) | 83.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.50% (0.02500) | 82.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.70% (0.00702) | 70.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00114) | 46.69th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.11% (0.00114) | 45.38th | v3 (v2023.03.01) |
| Jun 27, 2023 | 0.11% (0.00112) | 43.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00094) | 38.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Feb 22, 2023 | 2.69% (0.02686) | 82.60th | v2 (v2022.01.01) |
| Dec 30, 2022 | 7.83% (0.07834) | 92.90th | 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) |
| Feb 3, 2022 | 4.06% (0.04057) | 73.92th | v1 |
| Jan 6, 2022 | 4.06% (0.04057) | 73.70th | v1 |
| Sep 1, 2021 | 4.06% (0.04057) | 83.25th | v1 |
| Apr 14, 2021 | 4.06% (0.04057) | 0.00th | v1 |
References (19)
- http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/104680 vdb-entryx_refsource_BIDBroken Link
- https://access.redhat.com/security/cve/CVE-2018-13099 Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=200179 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1597810 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=3bfe2049c222b23342ff2a216cd5a869e8a14897 x_refsource_CONFIRMMailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4dbe38dc386910c668c75ae616b99b823b59f3eb x_refsource_MISCMailing ListPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-13099
- https://seclists.org/bugtraq/2018/Oct/4 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2019/Jan/52 mailing-listx_refsource_BUGTRAQMailing ListPatchThird Party Advisory
- https://sourceforge.net/p/linux-f2fs/mailman/message/36356878/ x_refsource_MISCPatchThird Party Advisory
- https://usn.ubuntu.com/3932-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3932-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4094-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4118-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-13099
- https://www.debian.org/security/2018/dsa-4308 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.