CVE-2021-1841
First published: Mon Apr 26 2021(Updated: )
A malicious application may be able to execute arbitrary code with kernel privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. An out-of-bounds write issue was addressed with improved bounds checking.
Credit: Jack Dates RET2 Systems IncABC Research s.r.o. Trend Micro Zero Day Initiative product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS | <11.3 | 11.3 |
| macOS Catalina | ||
| Apple iOS and macOS | =10.14 | |
| Apple iOS and macOS | =10.14.0 | |
| Apple iOS and macOS | =10.14.1 | |
| Apple iOS and macOS | =10.14.2 | |
| Apple iOS and macOS | =10.14.3 | |
| Apple iOS and macOS | =10.14.4 | |
| Apple iOS and macOS | =10.14.4-beta4 | |
| Apple iOS and macOS | =10.14.5 | |
| Apple iOS and macOS | =10.14.6 | |
| Apple iOS and macOS | =10.14.6 | |
| Apple iOS and macOS | =10.14.6-security_update_2019-001 | |
| Apple iOS and macOS | =10.14.6-security_update_2019-002 | |
| Apple iOS and macOS | =10.14.6-security_update_2019-004 | |
| Apple iOS and macOS | =10.14.6-security_update_2019-005 | |
| Apple iOS and macOS | =10.14.6-security_update_2019-006 | |
| Apple iOS and macOS | =10.14.6-security_update_2019-007 | |
| Apple iOS and macOS | =10.14.6-security_update_2020-001 | |
| Apple iOS and macOS | =10.14.6-security_update_2020-002 | |
| Apple iOS and macOS | =10.14.6-security_update_2020-003 | |
| Apple iOS and macOS | =10.14.6-security_update_2020-004 | |
| Apple iOS and macOS | =10.14.6-security_update_2020-005 | |
| Apple iOS and macOS | =10.14.6-security_update_2020-006 | |
| Apple iOS and macOS | =10.14.6-security_update_2020-007 | |
| Apple iOS and macOS | =10.14.6-security_update_2021-001 | |
| Apple iOS and macOS | =10.14.6-security_update_2021-002 | |
| Apple iOS and macOS | =10.15 | |
| Apple iOS and macOS | =10.15.1 | |
| Apple iOS and macOS | =10.15.2 | |
| Apple iOS and macOS | =10.15.3 | |
| Apple iOS and macOS | =10.15.4 | |
| Apple iOS and macOS | =10.15.5 | |
| Apple iOS and macOS | =10.15.6 | |
| Apple iOS and macOS | =10.15.6 | |
| Apple iOS and macOS | =10.15.6-supplemental_update | |
| Apple iOS and macOS | =10.15.7 | |
| Apple iOS and macOS | =10.15.7 | |
| Apple iOS and macOS | =10.15.7-security_update_2020 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-001 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-005 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-007 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-001 | |
| Apple iOS and macOS | >=11.0<11.3 |
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Reference Links
- https://support.apple.com/en-us/HT212326 (Advisory)
- https://support.apple.com/en-us/HT212325 (Advisory)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-1853
- CVE-2021-1849
- CVE-2021-1867
- CVE-2021-1810
- CVE-2021-1808
- CVE-2021-1857
- CVE-2021-30752
- CVE-2021-30664
- CVE-2021-1846
- CVE-2021-1809
- CVE-2021-30659
- CVE-2021-1847
- CVE-2021-1811
- CVE-2020-8284
- CVE-2020-8286
- CVE-2020-8285
- CVE-2021-1784
- CVE-2021-1872
- CVE-2021-1881
- CVE-2021-1882
- CVE-2021-1813
- CVE-2021-1883
- CVE-2021-1884
- CVE-2021-1880
- CVE-2021-30653
- CVE-2021-1814
- CVE-2021-1843
- CVE-2021-1885
- CVE-2021-1858
- CVE-2021-30743
- CVE-2021-30658
- CVE-2021-1841
- CVE-2021-1834
- CVE-2021-1860
- CVE-2021-1840
- CVE-2021-1851
- CVE-2021-1832
- CVE-2021-30660
- CVE-2021-30652
- CVE-2021-1875
- CVE-2021-1824
- CVE-2021-1859
- CVE-2021-1876
- CVE-2021-1815
- CVE-2021-1739
- CVE-2021-1740
- CVE-2021-1861
- CVE-2021-1855
- CVE-2021-1868
- CVE-2021-30750
- CVE-2021-1878
- CVE-2021-30657
- CVE-2021-30856
- CVE-2020-8037
- CVE-2021-1839
- CVE-2021-1825
- CVE-2021-1817
- CVE-2021-1826
- CVE-2021-1820
- CVE-2021-30661
- CVE-2020-7463
- CVE-2021-1828
- CVE-2021-1829
- CVE-2021-30655
- CVE-2021-1770
- CVE-2021-1873
- CVE-2021-1797
- CVE-2020-27942
- CVE-2020-3838
Frequently Asked Questions
What is CVE-2021-1841?
CVE-2021-1841 is a vulnerability in the Intel Graphics Driver that allows a malicious application to execute arbitrary code with kernel privileges.
Who is affected by CVE-2021-1841?
Users of Apple Catalina and Apple macOS Big Sur versions up to 11.3 are affected by CVE-2021-1841.
How can I fix CVE-2021-1841?
To fix CVE-2021-1841, update your operating system to a version that is higher than or equal to 11.3 for Apple macOS Big Sur, or apply the necessary updates provided by Apple for Apple Catalina.
What is the severity of CVE-2021-1841?
The severity of CVE-2021-1841 is high.
Where can I find more information about CVE-2021-1841?
You can find more information about CVE-2021-1841 on the official Apple support page: https://support.apple.com/en-us/HT212326 and https://support.apple.com/en-us/HT212325
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/references
- agent/weakness
- agent/description
- agent/event
- agent/trending
- agent/source
- collector/apple-support
- alias/CVE-2021-1834
- agent/software-canonical-lookup-request
- agent/author
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- vendor/apple
- canonical/apple macos
- canonical/macos catalina
- canonical/apple ios and macos
- version/apple ios and macos/10.14
- version/apple ios and macos/10.14.0
- version/apple ios and macos/10.14.1
- version/apple ios and macos/10.14.2
- version/apple ios and macos/10.14.3
- version/apple ios and macos/10.14.4
- version/apple ios and macos/10.14.4-beta4
- version/apple ios and macos/10.14.5
- version/apple ios and macos/10.14.6
- version/apple ios and macos/10.14.6-security_update_2019-001
- version/apple ios and macos/10.14.6-security_update_2019-002
- version/apple ios and macos/10.14.6-security_update_2019-004
- version/apple ios and macos/10.14.6-security_update_2019-005
- version/apple ios and macos/10.14.6-security_update_2019-006
- version/apple ios and macos/10.14.6-security_update_2019-007
- version/apple ios and macos/10.14.6-security_update_2020-001
- version/apple ios and macos/10.14.6-security_update_2020-002
- version/apple ios and macos/10.14.6-security_update_2020-003
- version/apple ios and macos/10.14.6-security_update_2020-004
- version/apple ios and macos/10.14.6-security_update_2020-005
- version/apple ios and macos/10.14.6-security_update_2020-006
- version/apple ios and macos/10.14.6-security_update_2020-007
- version/apple ios and macos/10.14.6-security_update_2021-001
- version/apple ios and macos/10.14.6-security_update_2021-002
- version/apple ios and macos/10.15
- version/apple ios and macos/10.15.1
- version/apple ios and macos/10.15.2
- version/apple ios and macos/10.15.3
- version/apple ios and macos/10.15.4
- version/apple ios and macos/10.15.5
- version/apple ios and macos/10.15.6
- version/apple ios and macos/10.15.6-supplemental_update
- version/apple ios and macos/10.15.7
- version/apple ios and macos/10.15.7-security_update_2020
- version/apple ios and macos/10.15.7-security_update_2020-001
- version/apple ios and macos/10.15.7-security_update_2020-005
- version/apple ios and macos/10.15.7-security_update_2020-007
- version/apple ios and macos/10.15.7-security_update_2021-001
- version/apple ios and macos/11.0