Summary
The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind: flooding with UPDATE requests may lead to DoS (CVE-2022-3094)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
Fixed packages 17
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | bind | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-chroot | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-devel | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-export-devel | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-export-libs | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-libs | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-libs-lite | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-license | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-lite-devel | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-pkcs11 | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-pkcs11-devel | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-pkcs11-libs | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-pkcs11-utils | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-sdb | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-sdb-chroot | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | bind-utils | 32:9.11.36-11.el8_9 |
| AlmaLinux · 8 | python3-bind | 32:9.11.36-11.el8_9 |
Vulnerabilities 1
-
High 7.5CVE-2022-3094 EPSS 13%
An UPDATE message flood may cause named to exhaust all available memory
Sending a flood of dynamic DNS updates may cause `named` to allocate large amounts of memory. This, in turn, may cause `named` to exit due to a lack of free memory. We are not aware of any cases where this has been exploited. Memory is allocated prior to the …