CVE-2018-8822
Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious NCPFS servers to crash the kernel or execute code.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- linux/linux kernel · canonical/ubuntu linux · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2022/12/27/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/103476Broken Link, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3653-1/Third Party Advisory
- https://usn.ubuntu.com/3653-2/Third Party Advisory
- https://usn.ubuntu.com/3654-1/Third Party Advisory
- https://usn.ubuntu.com/3654-2/Third Party Advisory
- https://usn.ubuntu.com/3655-1/Third Party Advisory
- https://usn.ubuntu.com/3655-2/Third Party Advisory
- https://usn.ubuntu.com/3656-1/Third Party Advisory
- https://usn.ubuntu.com/3657-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4187Third Party Advisory
- https://www.debian.org/security/2018/dsa-4188Third Party Advisory
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg223373.htmlPatch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/12/27/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/103476Broken Link, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3653-1/Third Party Advisory
- https://usn.ubuntu.com/3653-2/Third Party Advisory
- https://usn.ubuntu.com/3654-1/Third Party Advisory
- https://usn.ubuntu.com/3654-2/Third Party Advisory
- https://usn.ubuntu.com/3655-1/Third Party Advisory
- https://usn.ubuntu.com/3655-2/Third Party Advisory
- https://usn.ubuntu.com/3656-1/Third Party Advisory
- https://usn.ubuntu.com/3657-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4187Third Party Advisory
- https://www.debian.org/security/2018/dsa-4188Third Party Advisory
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg223373.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.