high
7.8
CWE
416
Advisory Published
Updated

CVE-2020-36385: Use After Free

First published: Mon Jun 07 2021(Updated: )

An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel<0:2.6.32-754.43.1.el6
0:2.6.32-754.43.1.el6
redhat/kernel-rt<0:3.10.0-1160.49.1.rt56.1189.el7
0:3.10.0-1160.49.1.rt56.1189.el7
redhat/kernel<0:3.10.0-1160.49.1.el7
0:3.10.0-1160.49.1.el7
redhat/kernel<0:3.10.0-327.102.1.el7
0:3.10.0-327.102.1.el7
redhat/kernel<0:3.10.0-514.95.1.el7
0:3.10.0-514.95.1.el7
redhat/kernel<0:3.10.0-693.95.1.el7
0:3.10.0-693.95.1.el7
redhat/kernel<0:3.10.0-957.86.1.el7
0:3.10.0-957.86.1.el7
redhat/kernel<0:3.10.0-1062.59.1.el7
0:3.10.0-1062.59.1.el7
redhat/kernel-rt<0:4.18.0-305.25.1.rt7.97.el8_4
0:4.18.0-305.25.1.rt7.97.el8_4
redhat/kernel<0:4.18.0-305.25.1.el8_4
0:4.18.0-305.25.1.el8_4
redhat/kernel<0:4.18.0-147.57.1.el8_1
0:4.18.0-147.57.1.el8_1
redhat/kernel-rt<0:4.18.0-193.70.1.rt13.120.el8_2
0:4.18.0-193.70.1.rt13.120.el8_2
redhat/kernel<0:4.18.0-193.70.1.el8_2
0:4.18.0-193.70.1.el8_2
redhat/redhat-virtualization-host<0:4.3.20-20211202.1.el7_9
0:4.3.20-20211202.1.el7_9
redhat/kernel<5.10
5.10
Linux Linux kernel<5.10
All of
Netapp H300s Firmware
Netapp H300s
All of
Netapp H500s Firmware
Netapp H500s
All of
Netapp H700s Firmware
Netapp H700s
All of
Netapp H300e Firmware
Netapp H300e
All of
Netapp H500e Firmware
Netapp H500e
All of
Netapp H700e Firmware
Netapp H700e
All of
Netapp H410s Firmware
Netapp H410s
All of
Netapp H410c Firmware
Netapp H410c
Starwindsoftware Starwind San \& Nas=v8r12
Starwindsoftware Starwind Virtual San=v8-build14338
Netapp H300s Firmware
Netapp H300s
Netapp H500s Firmware
Netapp H500s
Netapp H700s Firmware
Netapp H700s
Netapp H300e Firmware
Netapp H300e
Netapp H500e Firmware
Netapp H500e
Netapp H700e Firmware
Netapp H700e
Netapp H410s Firmware
Netapp H410s
Netapp H410c Firmware
Netapp H410c
debian/linux
5.10.223-1
5.10.226-1
6.1.115-1
6.1.112-1
6.11.5-1
6.11.7-1

Remedy

Mitigation for this issue is either not available or the currently available options does not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1

Remedy

https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2

Remedy

https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6

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Reference Links

Parent vulnerabilities

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