Linux · Kernel
CVE-2022-0185
Linux Kernel Heap-Based Buffer Overflow Vulnerability
무엇인가
A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAP_SYS_ADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system.
CISA: Linux kernel contains a heap-based buffer overflow vulnerability in the legacy_parse_param function in the Filesystem Context functionality. This allows an attacker to open a filesystem that does not support the Filesystem Context API and ultimately escalate privileges.
할 일
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
미국 연방 기관 조치 기한: 2024년 9월 11일
- CISA 목록에 추가됨
- 2024년 8월 21일
- 게시됨
- 2022년 2월 11일
- 심각도
- 높음 8.4 CVSS 3.1
- 향후 30일 내 공격 가능성(EPSS)
- 25% 알려진 모든 취약점 중 상위 2.1%
- 약점 유형
- CWE-190
- 자세히
- NVD · CVE.org · CISA
모든 참고 자료(5)
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=722d94847de2
- https://github.com/Crusaders-of-Rust/CVE-2022-0185
- https://www.openwall.com/lists/oss-security/2022/01/18/7
- https://www.willsroot.io/2022/01/cve-2022-0185.html
- https://security.netapp.com/advisory/ntap-20220225-0003/
Linux의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2026. 9. 18. | Improper Check for Unusual or Exceptional Conditions | Kernel | 치명적 9.8 | 3.3% |
| 2026. 9. 18. | Race Condition | Kernel | 높음 7.8 | 1.6% |
| 2026. 9. 18. | Out-of-Bounds Write | Kernel | 높음 8.8 | 0.9% |
| 2026. 8. 27. | Unspecified | Kernel | 높음 7.8 | 0.7% |
| 2026. 8. 26. | Out-of-Bounds Write | Kernel | 높음 7.8 | 8.9% |
| 2026. 6. 2. | Improper Authentication | Kernel | 높음 7.8 | 5.5% |
| 2026. 5. 1. | Incorrect Resource Transfer Between Spheres | Kernel | 높음 7.8 | 98% |
| 2026. 1. 26. | Integer Overflow | Kernel | 높음 7.8 | 15% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.