Red Hat Product Errata RHBA-2025:20640 - Bug Fix Advisory
Issued:
2025-11-11
Updated:
2025-11-11

RHBA-2025:20640 - Bug Fix Advisory

Synopsis

gdm bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for gdm is now available for Red Hat Enterprise Linux 9.

Description

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for x86_64 9 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux for ARM 64 9 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 9 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x

Fixes

  • RHEL-46383 - gdm dies when user attempts to login while a concurrent VNC session is running
  • RHEL-72694 - GDM wont show up after VT switch or logout
  • RHEL-4133 - gdm does not respect a precedence order for loading session files

CVEs

(none)

Red Hat Enterprise Linux for x86_64 9

SRPM
gdm-40.1-37.el9.src.rpm SHA-256: 2233e7fc58af6383654a32dd35401bcb4c36597b3ea1eba0bf4f1b3637339bf8
x86_64
gdm-40.1-37.el9.i686.rpm SHA-256: 267d5ab5f0f03c634f18bf5a38f949febcf5ba22d8ebe6dd139f8c3bcb1d8cde
gdm-40.1-37.el9.x86_64.rpm SHA-256: b5d40324c85ee742641ff9bacd0882f3e882a8dae7c91daa532860d1f80f34bd
gdm-debuginfo-40.1-37.el9.i686.rpm SHA-256: e214a9f1523a0f75c2d766330cfcc4c95f868b21a7d5e5499887a5f59a2f842b
gdm-debuginfo-40.1-37.el9.x86_64.rpm SHA-256: b78c8be77aa3d8aaf092c27895b54fbdb75ef82503b9f65f3ec1e5a376bbf0d2
gdm-debugsource-40.1-37.el9.i686.rpm SHA-256: a54575d3744d3ad5739a914fd676f0143a252b0ec8afeb92a91046182331853f
gdm-debugsource-40.1-37.el9.x86_64.rpm SHA-256: 73b8d4345dbb41c274d9ec62a077ced772a7e3ca0d084cfbb1524fea81ebceae

Red Hat Enterprise Linux for IBM z Systems 9

SRPM
gdm-40.1-37.el9.src.rpm SHA-256: 2233e7fc58af6383654a32dd35401bcb4c36597b3ea1eba0bf4f1b3637339bf8
s390x
gdm-40.1-37.el9.s390x.rpm SHA-256: ee29554f0a5648b41e64e606377cc24ae6b7107f897679ae2378807673e67674
gdm-debuginfo-40.1-37.el9.s390x.rpm SHA-256: 78308c596161d3ba3877ac72ce1b0d1876ed1b0d80b6cace11289adcae6fecfc
gdm-debugsource-40.1-37.el9.s390x.rpm SHA-256: 787f409799a2dada069eede2c4597d31933a3271a0c8e73f90a07d9e311871e4

Red Hat Enterprise Linux for Power, little endian 9

SRPM
gdm-40.1-37.el9.src.rpm SHA-256: 2233e7fc58af6383654a32dd35401bcb4c36597b3ea1eba0bf4f1b3637339bf8
ppc64le
gdm-40.1-37.el9.ppc64le.rpm SHA-256: 04e39a06cf4ef3bb7c86c50d3d3dc487bb3b2f4f28d1ebff6abd061b95b4532b
gdm-debuginfo-40.1-37.el9.ppc64le.rpm SHA-256: aebde47283475a60570b2a4481dc7535e08d7321483a9f3afc5110311d4f7e0a
gdm-debugsource-40.1-37.el9.ppc64le.rpm SHA-256: 76840b4f3ca901a63314380fa43f273061c640dc268fe2fe3e1db456f055e3af

Red Hat Enterprise Linux for ARM 64 9

SRPM
gdm-40.1-37.el9.src.rpm SHA-256: 2233e7fc58af6383654a32dd35401bcb4c36597b3ea1eba0bf4f1b3637339bf8
aarch64
gdm-40.1-37.el9.aarch64.rpm SHA-256: ad4b431153998f0f1f738f62b03267b9035aa5d5f30ca8e9ba13fd505b303aa4
gdm-debuginfo-40.1-37.el9.aarch64.rpm SHA-256: 6d624ed4831d0fe7bc4440196d569774c76ab02bfa4b648714cef841dbad4051
gdm-debugsource-40.1-37.el9.aarch64.rpm SHA-256: 613b5d55ea40b47960b6eafbbc69a80025940fa3d8c344b7f13d83514f164011

Red Hat CodeReady Linux Builder for x86_64 9

SRPM
x86_64
gdm-debuginfo-40.1-37.el9.i686.rpm SHA-256: e214a9f1523a0f75c2d766330cfcc4c95f868b21a7d5e5499887a5f59a2f842b
gdm-debuginfo-40.1-37.el9.x86_64.rpm SHA-256: b78c8be77aa3d8aaf092c27895b54fbdb75ef82503b9f65f3ec1e5a376bbf0d2
gdm-debugsource-40.1-37.el9.i686.rpm SHA-256: a54575d3744d3ad5739a914fd676f0143a252b0ec8afeb92a91046182331853f
gdm-debugsource-40.1-37.el9.x86_64.rpm SHA-256: 73b8d4345dbb41c274d9ec62a077ced772a7e3ca0d084cfbb1524fea81ebceae
gdm-devel-40.1-37.el9.i686.rpm SHA-256: 00aa3bddd24e4b4a7938d0cb91f38893152ef3e25851eb9be309c7d2b988e35f
gdm-devel-40.1-37.el9.x86_64.rpm SHA-256: 8afe3a62994a5daeb47b455d9bfdcfa453b3ca3a6bb379ab4095c7f9d9dad7cd
gdm-pam-extensions-devel-40.1-37.el9.i686.rpm SHA-256: 2dc50cb4af72082b4da0626cc0bac07b616aa18c8977241b98ff537ac1a28926
gdm-pam-extensions-devel-40.1-37.el9.x86_64.rpm SHA-256: 80b316f5a9db431c597184b403467320d3ea8648b921dc97cbc13307417270d2

Red Hat CodeReady Linux Builder for Power, little endian 9

SRPM
ppc64le
gdm-debuginfo-40.1-37.el9.ppc64le.rpm SHA-256: aebde47283475a60570b2a4481dc7535e08d7321483a9f3afc5110311d4f7e0a
gdm-debugsource-40.1-37.el9.ppc64le.rpm SHA-256: 76840b4f3ca901a63314380fa43f273061c640dc268fe2fe3e1db456f055e3af
gdm-devel-40.1-37.el9.ppc64le.rpm SHA-256: bb215fc71293c32359640663a64d27f5979116e6d7399b685bbe51cb14e93951
gdm-pam-extensions-devel-40.1-37.el9.ppc64le.rpm SHA-256: d7b91286b77758897c1ebaec55135dea8db36d5a61a01b4e7a67a38dc84dc2d1

Red Hat CodeReady Linux Builder for ARM 64 9

SRPM
aarch64
gdm-debuginfo-40.1-37.el9.aarch64.rpm SHA-256: 6d624ed4831d0fe7bc4440196d569774c76ab02bfa4b648714cef841dbad4051
gdm-debugsource-40.1-37.el9.aarch64.rpm SHA-256: 613b5d55ea40b47960b6eafbbc69a80025940fa3d8c344b7f13d83514f164011
gdm-devel-40.1-37.el9.aarch64.rpm SHA-256: 8f0e4c1f21972a88acec8b355d7c0399d1c224c56ea49672a2bca506b1357fbf
gdm-pam-extensions-devel-40.1-37.el9.aarch64.rpm SHA-256: 7f9d0c0ef5c709f28357387ac100965b66be85ea159fe37b604070ddfb139ce6

Red Hat CodeReady Linux Builder for IBM z Systems 9

SRPM
s390x
gdm-debuginfo-40.1-37.el9.s390x.rpm SHA-256: 78308c596161d3ba3877ac72ce1b0d1876ed1b0d80b6cace11289adcae6fecfc
gdm-debugsource-40.1-37.el9.s390x.rpm SHA-256: 787f409799a2dada069eede2c4597d31933a3271a0c8e73f90a07d9e311871e4
gdm-devel-40.1-37.el9.s390x.rpm SHA-256: f8282dec8a292020901e461c0976e863d3c15623925254fce891bcaeeb8a6906
gdm-pam-extensions-devel-40.1-37.el9.s390x.rpm SHA-256: 1fe433a2d25cb580c4b44b8c0e9322ebb4051f2e2a8942137b342ff3f5c2e2ec

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.