kernel: Mishandled extent trees in fs/f2fs/extent_cache.c can allow a local user to cause a denial of service
Published Feb 22, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.37%
Description
fs/f2fs/extent_cache.c in the Linux kernel before 4.13 mishandles extent trees, which allows local users to cause a denial of service (BUG) via an application with multiple threads.
Affected products
No data.
- < 4.13
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
Red Hat statement
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7, its real-time kernel, Red Hat Enterprise MRG 2, Red Hat Enterprise Linux 7 for ARM 64 and Red Hat Enterprise Linux 7 for Power 9 LE, as the code with the flaw is not built and shipped in the products listed.
References (11)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0 x_refsource_MISCPatch
- http://www.securityfocus.com/bid/103147 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-18193 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1549421 Issue Tracking
- https://github.com/torvalds/linux/commit/dad48e73127ba10279ea33e6dbc8d3905c4d31c0 x_refsource_MISCPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18193
- https://usn.ubuntu.com/3654-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3654-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3656-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-18193
- https://www.debian.org/security/2018/dsa-4188 vendor-advisoryx_refsource_DEBIAN
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dad48e73127ba10279ea33e6dbc8d3905c4d31c0 | x_refsource_MISCPatch | |
| http://www.securityfocus.com/bid/103147 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-18193 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1549421 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/dad48e73127ba10279ea33e6dbc8d3905c4d31c0 | x_refsource_MISCPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-18193 | ||
| https://usn.ubuntu.com/3654-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/3654-2/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/3656-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2017-18193 | ||
| https://www.debian.org/security/2018/dsa-4188 | vendor-advisoryx_refsource_DEBIAN |
Change history (0)
No recorded changes yet.