kernel: use-after-free in fs/namei.c
Published Jan 28, 2020
7.1
HIGHCVSS 3.1
EPSS 0.68%
Description
fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.
Affected products
No data.
- ≥ 4.19 · < 5.5
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 Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel-rt
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 Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (20)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html vendor-advisoryx_refsource_SUSE
- http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html x_refsource_MISC
- http://www.openwall.com/lists/oss-security/2020/01/28/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/02/02/1 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2020-8428 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1796939 Issue Tracking
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6 x_refsource_MISCMailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6 x_refsource_MISCPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2020-8428
- https://security.netapp.com/advisory/ntap-20200313-0003/ x_refsource_CONFIRM
- https://usn.ubuntu.com/4318-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4319-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4320-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4324-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4325-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2020-8428
- https://www.debian.org/security/2020/dsa-4667 vendor-advisoryx_refsource_DEBIAN
- https://www.debian.org/security/2020/dsa-4698 vendor-advisoryx_refsource_DEBIAN
- https://www.openwall.com/lists/oss-security/2020/01/28/2 x_refsource_MISCMailing ListThird Party Advisory
Change history (0)
No recorded changes yet.