CVE-2023-1838: Use After Free
First published: Wed May 18 2022(Updated: )
A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <5.18_25 | |
| redhat/kernel 5.18 | <25 | 25 |
| Linux Linux kernel | >=4.13<4.14.317 | |
| Linux Linux kernel | >=4.15<4.19.245 | |
| Linux Linux kernel | >=4.20<5.4.196 | |
| Linux Linux kernel | >=5.5<5.10.118 | |
| Linux Linux kernel | >=5.11<5.15.42 | |
| Linux Linux kernel | >=5.16<5.17.10 | |
| Netapp H300s | ||
| Netapp H410c | ||
| Netapp H410s | ||
| Netapp H500s | ||
| Netapp H700s | ||
| IBM QRadar SIEM | <=7.5 - 7.5.0 UP8 IF01 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang@redhat.com/T/
- https://security.netapp.com/advisory/ntap-20230517-0003/
- https://access.redhat.com/errata/RHSA-2024:0412
- https://access.redhat.com/errata/RHSA-2024:0575
- https://access.redhat.com/errata/RHSA-2024:0881
- https://access.redhat.com/errata/RHSA-2024:0897
- https://bugzilla.redhat.com/show_bug.cgi?id=2087568
- https://launchpad.net/bugs/cve/CVE-2023-1838
- https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/252288
- https://www.ibm.com/support/pages/node/7150684 (Advisory)
- https://git.kernel.org/linus/fb4554c2232e44d595920f4d5c66cf8f7d13f9bc
- https://security-tracker.debian.org/tracker/CVE-2023-1838
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1838
- https://nvd.nist.gov/vuln/detail/CVE-2023-1838
- https://ubuntu.com/security/CVE-2023-1838
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