Merge pull request 'Fix-up the previous set of changes' (#11) from solardiz-patch-9 into main
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Reviewed-on: #11
Reviewed-by: Neil Hanlon <neil@noreply@resf.org>
This commit is contained in:
Neil Hanlon 2023-11-15 23:23:34 +00:00
commit 4cb56ee1c2
3 changed files with 20 additions and 10 deletions

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@ -48,7 +48,7 @@ You'll normally install packages from the mirrors, which should just work. Howev
### Override packages (currently only for EL9)
- [glibc](packages/glibc.md) (adds many security-hardening changes originating from Owl and ALT Linux on top of EL package)
- [microcode_ctl](packages/microcode_ctl.md) (updates Intel CPU microcode to microcode-20231114, which fixes CVE-2023-23583)
- [microcode_ctl](packages/microcode_ctl.md) (updates Intel CPU microcode to microcode-20231114, which fixes [CVE-2023-23583](issues/CVE-2023-23583.md))
- [openssh](packages/openssh.md) (fewer shared libraries exposed in sshd processes while otherwise fully matching EL package's functionality)
The changes are described in more detail on the per-package wiki pages linked above, as well as in the package changelogs.

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# CVE-2023-23583: microcode_ctl: Intel CPUs: execution of MOVSB instructions with redundant REX prefix leads to unintended system behavior
# CVE-2023-23583: microcode_ctl
## Title
CVE-2023-23583: microcode_ctl: Intel CPUs: execution of MOVSB instructions with redundant REX prefix leads to unintended system behavior
## Summary
@ -18,8 +22,10 @@ Public disclosure date: November 14, 2023
## EL9
Fixed in version: `4:20231114-1.el9_2.security` available November 15, 2023
- Fixed in version: `4:20231114-1.el9_2.security` available November 15, 2023
Please refer to our [override package of microcode_ctl](/packages/microcode_ctl.md).
## EL8
Not fixed yet, will fix.
- Not fixed yet, will fix.

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# CVE-2023-4911: glibc: Looney Tunables: buffer overflow in ld.so leading to privilege escalation
# CVE-2023-4911: glibc
## Title
CVE-2023-4911: glibc: Looney Tunables: buffer overflow in ld.so leading to privilege escalation
## Summary
@ -12,12 +16,12 @@ Public disclosure date: October 3, 2023
## EL9
Mitigated in version: `2.34-60.el9_2.security.0.2` available October 3, 2023
Fixed in version: `glibc-2.34-60.el9_2.7` available October 5, 2023
- Mitigated in version: `2.34-60.el9_2.security.0.2` available October 3, 2023
- Fixed in version: `glibc-2.34-60.el9_2.7` available October 5, 2023
Besides the upstream fix, we also retained the mitigation in the [Security SIG package of glibc](packages/glibc.md).
Besides the upstream fix, we also retained the mitigation in our [override package of glibc](/packages/glibc.md).
## EL8
Fixed in version: `glibc-0:2.28-225.el8_8.6` available October 5, 2023
Errata: [RLSA-2023:5455](https://errata.rockylinux.org/RLSA-2023:5455) issued October 7, 2023
- Fixed in version: `glibc-0:2.28-225.el8_8.6` available October 5, 2023
- Errata: [RLSA-2023:5455](https://errata.rockylinux.org/RLSA-2023:5455) issued October 7, 2023