CVE-2022-0168: Null Pointer Dereference
First published: Wed Jan 05 2022(Updated: )
A denial of service (DOS) issue was found in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-425.3.1.rt7.213.el8 | 0:4.18.0-425.3.1.rt7.213.el8 |
| redhat/kernel | <0:4.18.0-425.3.1.el8 | 0:4.18.0-425.3.1.el8 |
| redhat/kernel | <0:5.14.0-162.6.1.el9_1 | 0:5.14.0-162.6.1.el9_1 |
| redhat/kernel-rt | <0:5.14.0-162.6.1.rt21.168.el9_1 | 0:5.14.0-162.6.1.rt21.168.el9_1 |
| Linux Linux kernel | <5.18 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.6-1 6.12.9-1 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-0168 https://nvd.nist.gov/vuln/detail/CVE-2022-0168
- https://bugzilla.redhat.com/show_bug.cgi?id=2037386
- https://access.redhat.com/errata/RHSA-2022:7444
- https://access.redhat.com/errata/RHSA-2022:7683
- https://access.redhat.com/errata/RHSA-2022:8267
- https://access.redhat.com/errata/RHSA-2022:7933
- https://access.redhat.com/security/cve/cve-2022-0168
- https://access.redhat.com/security/cve/CVE-2022-0168
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d6f5e358452479fa8a773b5c6ccc9e4ec5a20880
- https://launchpad.net/bugs/cve/CVE-2022-0168
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2067080
- https://git.kernel.org/linus/d6f5e358452479fa8a773b5c6ccc9e4ec5a20880
- https://access.redhat.com/errata/RHSA-2024:0724
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0168
- https://nvd.nist.gov/vuln/detail/CVE-2022-0168
- https://security-tracker.debian.org/tracker/CVE-2022-0168
- https://ubuntu.com/security/CVE-2022-0168
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/weakness
- agent/severity
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2022-0168
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/security-tracker-debian
- source/Debian
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/tags
- agent/description
- agent/softwarecombine
- agent/event
- agent/trending
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/8.0
- version/redhat enterprise linux/9.0
- package-manager/debian