CVE Vulnerabilities

CVE-2020-3963

Use After Free

Published: Jun 25, 2020 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202006401-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.2), and Fusion (11.x before 11.5.2) contain a use-after-free vulnerability in PVNVRAM. A malicious actor with local access to a virtual machine may be able to read privileged information contained in physical memory.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

Name Vendor Start Version End Version
Cloud_foundation Vmware 3.0 (including) 3.10 (excluding)
Cloud_foundation Vmware 4.0.0 (including) 4.0.1 (excluding)
Fusion Vmware 11.0.0 (including) 11.5.2 (excluding)
Workstation Vmware 15.0.0 (including) 15.5.2 (excluding)
Esxi Vmware 6.5 (including) 6.5 (including)
Esxi Vmware 6.5-650-201701001 (including) 6.5-650-201701001 (including)
Esxi Vmware 6.5-650-201703001 (including) 6.5-650-201703001 (including)
Esxi Vmware 6.5-650-201703002 (including) 6.5-650-201703002 (including)
Esxi Vmware 6.5-650-201704001 (including) 6.5-650-201704001 (including)
Esxi Vmware 6.5-650-201707101 (including) 6.5-650-201707101 (including)
Esxi Vmware 6.5-650-201707102 (including) 6.5-650-201707102 (including)
Esxi Vmware 6.5-650-201707103 (including) 6.5-650-201707103 (including)
Esxi Vmware 6.5-650-201707201 (including) 6.5-650-201707201 (including)
Esxi Vmware 6.5-650-201707202 (including) 6.5-650-201707202 (including)
Esxi Vmware 6.5-650-201707203 (including) 6.5-650-201707203 (including)
Esxi Vmware 6.5-650-201707204 (including) 6.5-650-201707204 (including)
Esxi Vmware 6.5-650-201707205 (including) 6.5-650-201707205 (including)
Esxi Vmware 6.5-650-201707206 (including) 6.5-650-201707206 (including)
Esxi Vmware 6.5-650-201707207 (including) 6.5-650-201707207 (including)
Esxi Vmware 6.5-650-201707208 (including) 6.5-650-201707208 (including)
Esxi Vmware 6.5-650-201707209 (including) 6.5-650-201707209 (including)
Esxi Vmware 6.5-650-201707210 (including) 6.5-650-201707210 (including)
Esxi Vmware 6.5-650-201707211 (including) 6.5-650-201707211 (including)
Esxi Vmware 6.5-650-201707212 (including) 6.5-650-201707212 (including)
Esxi Vmware 6.5-650-201707213 (including) 6.5-650-201707213 (including)
Esxi Vmware 6.5-650-201707214 (including) 6.5-650-201707214 (including)
Esxi Vmware 6.5-650-201707215 (including) 6.5-650-201707215 (including)
Esxi Vmware 6.5-650-201707216 (including) 6.5-650-201707216 (including)
Esxi Vmware 6.5-650-201707217 (including) 6.5-650-201707217 (including)
Esxi Vmware 6.5-650-201707218 (including) 6.5-650-201707218 (including)
Esxi Vmware 6.5-650-201707219 (including) 6.5-650-201707219 (including)
Esxi Vmware 6.5-650-201707220 (including) 6.5-650-201707220 (including)
Esxi Vmware 6.5-650-201707221 (including) 6.5-650-201707221 (including)
Esxi Vmware 6.5-650-201710001 (including) 6.5-650-201710001 (including)
Esxi Vmware 6.5-650-201712001 (including) 6.5-650-201712001 (including)
Esxi Vmware 6.5-650-201803001 (including) 6.5-650-201803001 (including)
Esxi Vmware 6.5-650-201806001 (including) 6.5-650-201806001 (including)
Esxi Vmware 6.5-650-201808001 (including) 6.5-650-201808001 (including)
Esxi Vmware 6.5-650-201810001 (including) 6.5-650-201810001 (including)
Esxi Vmware 6.5-650-201810002 (including) 6.5-650-201810002 (including)
Esxi Vmware 6.5-650-201811001 (including) 6.5-650-201811001 (including)
Esxi Vmware 6.5-650-201811002 (including) 6.5-650-201811002 (including)
Esxi Vmware 6.5-650-201811301 (including) 6.5-650-201811301 (including)
Esxi Vmware 6.5-650-201901001 (including) 6.5-650-201901001 (including)
Esxi Vmware 6.5-650-201903001 (including) 6.5-650-201903001 (including)
Esxi Vmware 6.5-650-201905001 (including) 6.5-650-201905001 (including)
Esxi Vmware 6.5-650-201908001 (including) 6.5-650-201908001 (including)
Esxi Vmware 6.5-650-201910001 (including) 6.5-650-201910001 (including)
Esxi Vmware 6.5-650-20191004001 (including) 6.5-650-20191004001 (including)
Esxi Vmware 6.5-650-201911001 (including) 6.5-650-201911001 (including)
Esxi Vmware 6.5-650-201911401 (including) 6.5-650-201911401 (including)
Esxi Vmware 6.5-650-201911402 (including) 6.5-650-201911402 (including)
Esxi Vmware 6.5-650-201912001 (including) 6.5-650-201912001 (including)
Esxi Vmware 6.5-650-201912002 (including) 6.5-650-201912002 (including)
Esxi Vmware 6.5-650-201912101 (including) 6.5-650-201912101 (including)
Esxi Vmware 6.5-650-201912102 (including) 6.5-650-201912102 (including)
Esxi Vmware 6.5-650-201912103 (including) 6.5-650-201912103 (including)
Esxi Vmware 6.5-650-201912104 (including) 6.5-650-201912104 (including)
Esxi Vmware 6.5-650-201912301 (including) 6.5-650-201912301 (including)
Esxi Vmware 6.5-650-201912401 (including) 6.5-650-201912401 (including)
Esxi Vmware 6.5-650-201912402 (including) 6.5-650-201912402 (including)
Esxi Vmware 6.5-650-201912403 (including) 6.5-650-201912403 (including)
Esxi Vmware 6.5-650-201912404 (including) 6.5-650-201912404 (including)
Esxi Vmware 6.5-650-202005001 (including) 6.5-650-202005001 (including)
Esxi Vmware 6.7 (including) 6.7 (including)
Esxi Vmware 6.7-670-201806001 (including) 6.7-670-201806001 (including)
Esxi Vmware 6.7-670-201807001 (including) 6.7-670-201807001 (including)
Esxi Vmware 6.7-670-201808001 (including) 6.7-670-201808001 (including)
Esxi Vmware 6.7-670-201810001 (including) 6.7-670-201810001 (including)
Esxi Vmware 6.7-670-201810101 (including) 6.7-670-201810101 (including)
Esxi Vmware 6.7-670-201810102 (including) 6.7-670-201810102 (including)
Esxi Vmware 6.7-670-201810103 (including) 6.7-670-201810103 (including)
Esxi Vmware 6.7-670-201810201 (including) 6.7-670-201810201 (including)
Esxi Vmware 6.7-670-201810202 (including) 6.7-670-201810202 (including)
Esxi Vmware 6.7-670-201810203 (including) 6.7-670-201810203 (including)
Esxi Vmware 6.7-670-201810204 (including) 6.7-670-201810204 (including)
Esxi Vmware 6.7-670-201810205 (including) 6.7-670-201810205 (including)
Esxi Vmware 6.7-670-201810206 (including) 6.7-670-201810206 (including)
Esxi Vmware 6.7-670-201810207 (including) 6.7-670-201810207 (including)
Esxi Vmware 6.7-670-201810208 (including) 6.7-670-201810208 (including)
Esxi Vmware 6.7-670-201810209 (including) 6.7-670-201810209 (including)
Esxi Vmware 6.7-670-201810210 (including) 6.7-670-201810210 (including)
Esxi Vmware 6.7-670-201810211 (including) 6.7-670-201810211 (including)
Esxi Vmware 6.7-670-201810212 (including) 6.7-670-201810212 (including)
Esxi Vmware 6.7-670-201810213 (including) 6.7-670-201810213 (including)
Esxi Vmware 6.7-670-201810214 (including) 6.7-670-201810214 (including)
Esxi Vmware 6.7-670-201810215 (including) 6.7-670-201810215 (including)
Esxi Vmware 6.7-670-201810216 (including) 6.7-670-201810216 (including)
Esxi Vmware 6.7-670-201810217 (including) 6.7-670-201810217 (including)
Esxi Vmware 6.7-670-201810218 (including) 6.7-670-201810218 (including)
Esxi Vmware 6.7-670-201810219 (including) 6.7-670-201810219 (including)
Esxi Vmware 6.7-670-201810220 (including) 6.7-670-201810220 (including)
Esxi Vmware 6.7-670-201810221 (including) 6.7-670-201810221 (including)
Esxi Vmware 6.7-670-201810222 (including) 6.7-670-201810222 (including)
Esxi Vmware 6.7-670-201810223 (including) 6.7-670-201810223 (including)
Esxi Vmware 6.7-670-201810224 (including) 6.7-670-201810224 (including)
Esxi Vmware 6.7-670-201810225 (including) 6.7-670-201810225 (including)
Esxi Vmware 6.7-670-201810226 (including) 6.7-670-201810226 (including)
Esxi Vmware 6.7-670-201810227 (including) 6.7-670-201810227 (including)
Esxi Vmware 6.7-670-201810228 (including) 6.7-670-201810228 (including)
Esxi Vmware 6.7-670-201810229 (including) 6.7-670-201810229 (including)
Esxi Vmware 6.7-670-201810230 (including) 6.7-670-201810230 (including)
Esxi Vmware 6.7-670-201810231 (including) 6.7-670-201810231 (including)
Esxi Vmware 6.7-670-201810232 (including) 6.7-670-201810232 (including)
Esxi Vmware 6.7-670-201810233 (including) 6.7-670-201810233 (including)
Esxi Vmware 6.7-670-201810234 (including) 6.7-670-201810234 (including)
Esxi Vmware 6.7-670-201811001 (including) 6.7-670-201811001 (including)
Esxi Vmware 6.7-670-201901001 (including) 6.7-670-201901001 (including)
Esxi Vmware 6.7-670-201901401 (including) 6.7-670-201901401 (including)
Esxi Vmware 6.7-670-201901402 (including) 6.7-670-201901402 (including)
Esxi Vmware 6.7-670-201901403 (including) 6.7-670-201901403 (including)
Esxi Vmware 6.7-670-201903001 (including) 6.7-670-201903001 (including)
Esxi Vmware 6.7-670-201904001 (including) 6.7-670-201904001 (including)
Esxi Vmware 6.7-670-201904201 (including) 6.7-670-201904201 (including)
Esxi Vmware 6.7-670-201904202 (including) 6.7-670-201904202 (including)
Esxi Vmware 6.7-670-201904203 (including) 6.7-670-201904203 (including)
Esxi Vmware 6.7-670-201904204 (including) 6.7-670-201904204 (including)
Esxi Vmware 6.7-670-201904205 (including) 6.7-670-201904205 (including)
Esxi Vmware 6.7-670-201904206 (including) 6.7-670-201904206 (including)
Esxi Vmware 6.7-670-201904207 (including) 6.7-670-201904207 (including)
Esxi Vmware 6.7-670-201904208 (including) 6.7-670-201904208 (including)
Esxi Vmware 6.7-670-201904209 (including) 6.7-670-201904209 (including)
Esxi Vmware 6.7-670-201904210 (including) 6.7-670-201904210 (including)
Esxi Vmware 6.7-670-201904211 (including) 6.7-670-201904211 (including)
Esxi Vmware 6.7-670-201904212 (including) 6.7-670-201904212 (including)
Esxi Vmware 6.7-670-201904213 (including) 6.7-670-201904213 (including)
Esxi Vmware 6.7-670-201904214 (including) 6.7-670-201904214 (including)
Esxi Vmware 6.7-670-201904215 (including) 6.7-670-201904215 (including)
Esxi Vmware 6.7-670-201904216 (including) 6.7-670-201904216 (including)
Esxi Vmware 6.7-670-201904217 (including) 6.7-670-201904217 (including)
Esxi Vmware 6.7-670-201904218 (including) 6.7-670-201904218 (including)
Esxi Vmware 6.7-670-201904219 (including) 6.7-670-201904219 (including)
Esxi Vmware 6.7-670-201904220 (including) 6.7-670-201904220 (including)
Esxi Vmware 6.7-670-201904221 (including) 6.7-670-201904221 (including)
Esxi Vmware 6.7-670-201904222 (including) 6.7-670-201904222 (including)
Esxi Vmware 6.7-670-201904223 (including) 6.7-670-201904223 (including)
Esxi Vmware 6.7-670-201904224 (including) 6.7-670-201904224 (including)
Esxi Vmware 6.7-670-201904225 (including) 6.7-670-201904225 (including)
Esxi Vmware 6.7-670-201904226 (including) 6.7-670-201904226 (including)
Esxi Vmware 6.7-670-201904227 (including) 6.7-670-201904227 (including)
Esxi Vmware 6.7-670-201904228 (including) 6.7-670-201904228 (including)
Esxi Vmware 6.7-670-201904229 (including) 6.7-670-201904229 (including)
Esxi Vmware 6.7-670-201905001 (including) 6.7-670-201905001 (including)
Esxi Vmware 6.7-670-201906002 (including) 6.7-670-201906002 (including)
Esxi Vmware 6.7-670-201908101 (including) 6.7-670-201908101 (including)
Esxi Vmware 6.7-670-201908102 (including) 6.7-670-201908102 (including)
Esxi Vmware 6.7-670-201908103 (including) 6.7-670-201908103 (including)
Esxi Vmware 6.7-670-201908104 (including) 6.7-670-201908104 (including)
Esxi Vmware 6.7-670-201908201 (including) 6.7-670-201908201 (including)
Esxi Vmware 6.7-670-201908202 (including) 6.7-670-201908202 (including)
Esxi Vmware 6.7-670-201908203 (including) 6.7-670-201908203 (including)
Esxi Vmware 6.7-670-201908204 (including) 6.7-670-201908204 (including)
Esxi Vmware 6.7-670-201908205 (including) 6.7-670-201908205 (including)
Esxi Vmware 6.7-670-201908206 (including) 6.7-670-201908206 (including)
Esxi Vmware 6.7-670-201908207 (including) 6.7-670-201908207 (including)
Esxi Vmware 6.7-670-201908208 (including) 6.7-670-201908208 (including)
Esxi Vmware 6.7-670-201908209 (including) 6.7-670-201908209 (including)
Esxi Vmware 6.7-670-201908210 (including) 6.7-670-201908210 (including)
Esxi Vmware 6.7-670-201908211 (including) 6.7-670-201908211 (including)
Esxi Vmware 6.7-670-201908212 (including) 6.7-670-201908212 (including)
Esxi Vmware 6.7-670-201908213 (including) 6.7-670-201908213 (including)
Esxi Vmware 6.7-670-201908214 (including) 6.7-670-201908214 (including)
Esxi Vmware 6.7-670-201908215 (including) 6.7-670-201908215 (including)
Esxi Vmware 6.7-670-201908216 (including) 6.7-670-201908216 (including)
Esxi Vmware 6.7-670-201908217 (including) 6.7-670-201908217 (including)
Esxi Vmware 6.7-670-201908218 (including) 6.7-670-201908218 (including)
Esxi Vmware 6.7-670-201908219 (including) 6.7-670-201908219 (including)
Esxi Vmware 6.7-670-201908220 (including) 6.7-670-201908220 (including)
Esxi Vmware 6.7-670-201908221 (including) 6.7-670-201908221 (including)
Esxi Vmware 6.7-670-201912001 (including) 6.7-670-201912001 (including)
Esxi Vmware 6.7-670-201912101 (including) 6.7-670-201912101 (including)
Esxi Vmware 6.7-670-201912102 (including) 6.7-670-201912102 (including)
Esxi Vmware 6.7-670-201912401 (including) 6.7-670-201912401 (including)
Esxi Vmware 6.7-670-201912402 (including) 6.7-670-201912402 (including)
Esxi Vmware 6.7-670-201912403 (including) 6.7-670-201912403 (including)
Esxi Vmware 6.7-670-201912404 (including) 6.7-670-201912404 (including)
Esxi Vmware 6.7-670-201912405 (including) 6.7-670-201912405 (including)
Esxi Vmware 6.7-670-202004001 (including) 6.7-670-202004001 (including)
Esxi Vmware 6.7-670-202004002 (including) 6.7-670-202004002 (including)
Esxi Vmware 6.7-670-202004301 (including) 6.7-670-202004301 (including)
Esxi Vmware 6.7-670-202004401 (including) 6.7-670-202004401 (including)
Esxi Vmware 6.7-670-202004402 (including) 6.7-670-202004402 (including)
Esxi Vmware 6.7-670-202004403 (including) 6.7-670-202004403 (including)
Esxi Vmware 6.7-670-202004404 (including) 6.7-670-202004404 (including)
Esxi Vmware 6.7-670-202004405 (including) 6.7-670-202004405 (including)
Esxi Vmware 6.7-670-202004406 (including) 6.7-670-202004406 (including)
Esxi Vmware 6.7-670-202004407 (including) 6.7-670-202004407 (including)
Esxi Vmware 6.7-670-202004408 (including) 6.7-670-202004408 (including)
Esxi Vmware 6.7-670-202006001 (including) 6.7-670-202006001 (including)
Esxi Vmware 7.0.0 (including) 7.0.0 (including)

Potential Mitigations

References