Red Hat Product Errata RHBA-2026:28587 - Bug Fix Advisory
Issued:
2026-06-23
Updated:
2026-06-23

RHBA-2026:28587 - 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 10.

Description

The GNOME Display Manager (GDM) provides the graphical login screen. The screen is shown shortly after boot, after log out, and when switching the current user.

Bug Fix(es) and Enhancement(s):

  • plymouthd does not quit if the video port is not enabled because a monitor is not connected (fix was incomplete) (rhel-10.2z) (JIRA:RHEL-178665)

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 10 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 10 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x
  • Red Hat Enterprise Linux for Power, little endian 10 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le
  • Red Hat Enterprise Linux for ARM 64 10 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 10 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 10 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x
  • Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2 ppc64le
  • Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2 s390x
  • Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2 aarch64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x
  • Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le
  • Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64
  • Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le
  • Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x

Fixes

  • RHEL-178665 - plymouthd does not quit if the video port is not enabled because a monitor is not connected (fix was incomplete) (rhel-10.2z)

CVEs

(none)

References

(none)

Red Hat Enterprise Linux for x86_64 10

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
x86_64
gdm-47.0-21.el10_2.x86_64.rpm SHA-256: 487382a2df4b22b422306bc23c82b10ba9cb6ed8c8623c737f984395ae7a932e
gdm-debuginfo-47.0-21.el10_2.x86_64.rpm SHA-256: 765733b942b1eb06de1bdb0556c0e6e0f46e456317511a0c0b706e0e51f85363
gdm-debugsource-47.0-21.el10_2.x86_64.rpm SHA-256: 18bd7c4aca2d7043a3de89a0066a747a5f94c7b706e59dcf049fd70fade67def

Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
x86_64
gdm-47.0-21.el10_2.x86_64.rpm SHA-256: 487382a2df4b22b422306bc23c82b10ba9cb6ed8c8623c737f984395ae7a932e
gdm-debuginfo-47.0-21.el10_2.x86_64.rpm SHA-256: 765733b942b1eb06de1bdb0556c0e6e0f46e456317511a0c0b706e0e51f85363
gdm-debugsource-47.0-21.el10_2.x86_64.rpm SHA-256: 18bd7c4aca2d7043a3de89a0066a747a5f94c7b706e59dcf049fd70fade67def

Red Hat Enterprise Linux for IBM z Systems 10

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
s390x
gdm-47.0-21.el10_2.s390x.rpm SHA-256: ed09ec7f9a331ce45e8fc8890f20bf7e96ff384c18d473c65815473b3db5ea62
gdm-debuginfo-47.0-21.el10_2.s390x.rpm SHA-256: 3b6a5c3c53cf0f98ed53ac11f562ea010f0b01909eab1fd2b6f18c372203f640
gdm-debugsource-47.0-21.el10_2.s390x.rpm SHA-256: 193af9a044a06673f7aa3068d8b8b9bd8d2436ab31b9ee109f5f5b44a7670c13

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
s390x
gdm-47.0-21.el10_2.s390x.rpm SHA-256: ed09ec7f9a331ce45e8fc8890f20bf7e96ff384c18d473c65815473b3db5ea62
gdm-debuginfo-47.0-21.el10_2.s390x.rpm SHA-256: 3b6a5c3c53cf0f98ed53ac11f562ea010f0b01909eab1fd2b6f18c372203f640
gdm-debugsource-47.0-21.el10_2.s390x.rpm SHA-256: 193af9a044a06673f7aa3068d8b8b9bd8d2436ab31b9ee109f5f5b44a7670c13

Red Hat Enterprise Linux for Power, little endian 10

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
ppc64le
gdm-47.0-21.el10_2.ppc64le.rpm SHA-256: 2875f72b5f6ab01655ade358a5bd2442c5c0482f02aa86e85e4151b5f815d8a9
gdm-debuginfo-47.0-21.el10_2.ppc64le.rpm SHA-256: e2792e91130f6df12cab1133701581e758ec2ce35c20f8ea247756cce6baba0a
gdm-debugsource-47.0-21.el10_2.ppc64le.rpm SHA-256: 5f896629e5fbc4e65a011a88b2daefedb4bdc18d86f5023ca9844230f31925b9

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
ppc64le
gdm-47.0-21.el10_2.ppc64le.rpm SHA-256: 2875f72b5f6ab01655ade358a5bd2442c5c0482f02aa86e85e4151b5f815d8a9
gdm-debuginfo-47.0-21.el10_2.ppc64le.rpm SHA-256: e2792e91130f6df12cab1133701581e758ec2ce35c20f8ea247756cce6baba0a
gdm-debugsource-47.0-21.el10_2.ppc64le.rpm SHA-256: 5f896629e5fbc4e65a011a88b2daefedb4bdc18d86f5023ca9844230f31925b9

Red Hat Enterprise Linux for ARM 64 10

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
aarch64
gdm-47.0-21.el10_2.aarch64.rpm SHA-256: 69d61b0d0114ac4affb403d4c83d0cb2e30df2699fb20fdad9023865b37e13f8
gdm-debuginfo-47.0-21.el10_2.aarch64.rpm SHA-256: 30ac983cd3bd29454e7da22af2bed1c577799f2e6aef37196189116ce7dc0dc5
gdm-debugsource-47.0-21.el10_2.aarch64.rpm SHA-256: f0be4ac976a92484e998523699fb01755740abc506e23445155ab941fc75adaf

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
aarch64
gdm-47.0-21.el10_2.aarch64.rpm SHA-256: 69d61b0d0114ac4affb403d4c83d0cb2e30df2699fb20fdad9023865b37e13f8
gdm-debuginfo-47.0-21.el10_2.aarch64.rpm SHA-256: 30ac983cd3bd29454e7da22af2bed1c577799f2e6aef37196189116ce7dc0dc5
gdm-debugsource-47.0-21.el10_2.aarch64.rpm SHA-256: f0be4ac976a92484e998523699fb01755740abc506e23445155ab941fc75adaf

Red Hat CodeReady Linux Builder for x86_64 10

SRPM
x86_64
gdm-debuginfo-47.0-21.el10_2.x86_64.rpm SHA-256: 765733b942b1eb06de1bdb0556c0e6e0f46e456317511a0c0b706e0e51f85363
gdm-debugsource-47.0-21.el10_2.x86_64.rpm SHA-256: 18bd7c4aca2d7043a3de89a0066a747a5f94c7b706e59dcf049fd70fade67def
gdm-devel-47.0-21.el10_2.x86_64.rpm SHA-256: ea39bae87a675aee93df4a6c3feb96dc56f26fab158f4f17198c449991471a4f
gdm-pam-extensions-devel-47.0-21.el10_2.x86_64.rpm SHA-256: 9be73214c979b3d94a6f8d10931fe9d68eff472a96872dbc10a5ae22ed53631c

Red Hat CodeReady Linux Builder for Power, little endian 10

SRPM
ppc64le
gdm-debuginfo-47.0-21.el10_2.ppc64le.rpm SHA-256: e2792e91130f6df12cab1133701581e758ec2ce35c20f8ea247756cce6baba0a
gdm-debugsource-47.0-21.el10_2.ppc64le.rpm SHA-256: 5f896629e5fbc4e65a011a88b2daefedb4bdc18d86f5023ca9844230f31925b9
gdm-devel-47.0-21.el10_2.ppc64le.rpm SHA-256: a5ed0e539856b52e4dd6652830841d6a9ea70d66972cda31dff943c348609fa3
gdm-pam-extensions-devel-47.0-21.el10_2.ppc64le.rpm SHA-256: 680f56395916ab4ad4132df8487ef33370b98a2adc6186e711e4ad6a7f1be879

Red Hat CodeReady Linux Builder for ARM 64 10

SRPM
aarch64
gdm-debuginfo-47.0-21.el10_2.aarch64.rpm SHA-256: 30ac983cd3bd29454e7da22af2bed1c577799f2e6aef37196189116ce7dc0dc5
gdm-debugsource-47.0-21.el10_2.aarch64.rpm SHA-256: f0be4ac976a92484e998523699fb01755740abc506e23445155ab941fc75adaf
gdm-devel-47.0-21.el10_2.aarch64.rpm SHA-256: f4f69223189a7d1b56c2b42c019abbcf53ec7cd87563bb5594ee481428335245
gdm-pam-extensions-devel-47.0-21.el10_2.aarch64.rpm SHA-256: 7408d632730ab5898a94daaf4e7903c1781e1723af128cb39aa4a9de63f75af4

Red Hat CodeReady Linux Builder for IBM z Systems 10

SRPM
s390x
gdm-debuginfo-47.0-21.el10_2.s390x.rpm SHA-256: 3b6a5c3c53cf0f98ed53ac11f562ea010f0b01909eab1fd2b6f18c372203f640
gdm-debugsource-47.0-21.el10_2.s390x.rpm SHA-256: 193af9a044a06673f7aa3068d8b8b9bd8d2436ab31b9ee109f5f5b44a7670c13
gdm-devel-47.0-21.el10_2.s390x.rpm SHA-256: cfebb3214b6d898b750e8efa4f8dbb866135fe8687b55fcac85002cb37666f20
gdm-pam-extensions-devel-47.0-21.el10_2.s390x.rpm SHA-256: 63d075c6a056417781e7833cb3d8dff3a8be38c583507f0ca3d0e6e544963aa5

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2

SRPM
x86_64
gdm-debuginfo-47.0-21.el10_2.x86_64.rpm SHA-256: 765733b942b1eb06de1bdb0556c0e6e0f46e456317511a0c0b706e0e51f85363
gdm-debugsource-47.0-21.el10_2.x86_64.rpm SHA-256: 18bd7c4aca2d7043a3de89a0066a747a5f94c7b706e59dcf049fd70fade67def
gdm-devel-47.0-21.el10_2.x86_64.rpm SHA-256: ea39bae87a675aee93df4a6c3feb96dc56f26fab158f4f17198c449991471a4f
gdm-pam-extensions-devel-47.0-21.el10_2.x86_64.rpm SHA-256: 9be73214c979b3d94a6f8d10931fe9d68eff472a96872dbc10a5ae22ed53631c

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2

SRPM
ppc64le
gdm-debuginfo-47.0-21.el10_2.ppc64le.rpm SHA-256: e2792e91130f6df12cab1133701581e758ec2ce35c20f8ea247756cce6baba0a
gdm-debugsource-47.0-21.el10_2.ppc64le.rpm SHA-256: 5f896629e5fbc4e65a011a88b2daefedb4bdc18d86f5023ca9844230f31925b9
gdm-devel-47.0-21.el10_2.ppc64le.rpm SHA-256: a5ed0e539856b52e4dd6652830841d6a9ea70d66972cda31dff943c348609fa3
gdm-pam-extensions-devel-47.0-21.el10_2.ppc64le.rpm SHA-256: 680f56395916ab4ad4132df8487ef33370b98a2adc6186e711e4ad6a7f1be879

Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2

SRPM
s390x
gdm-debuginfo-47.0-21.el10_2.s390x.rpm SHA-256: 3b6a5c3c53cf0f98ed53ac11f562ea010f0b01909eab1fd2b6f18c372203f640
gdm-debugsource-47.0-21.el10_2.s390x.rpm SHA-256: 193af9a044a06673f7aa3068d8b8b9bd8d2436ab31b9ee109f5f5b44a7670c13
gdm-devel-47.0-21.el10_2.s390x.rpm SHA-256: cfebb3214b6d898b750e8efa4f8dbb866135fe8687b55fcac85002cb37666f20
gdm-pam-extensions-devel-47.0-21.el10_2.s390x.rpm SHA-256: 63d075c6a056417781e7833cb3d8dff3a8be38c583507f0ca3d0e6e544963aa5

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2

SRPM
aarch64
gdm-debuginfo-47.0-21.el10_2.aarch64.rpm SHA-256: 30ac983cd3bd29454e7da22af2bed1c577799f2e6aef37196189116ce7dc0dc5
gdm-debugsource-47.0-21.el10_2.aarch64.rpm SHA-256: f0be4ac976a92484e998523699fb01755740abc506e23445155ab941fc75adaf
gdm-devel-47.0-21.el10_2.aarch64.rpm SHA-256: f4f69223189a7d1b56c2b42c019abbcf53ec7cd87563bb5594ee481428335245
gdm-pam-extensions-devel-47.0-21.el10_2.aarch64.rpm SHA-256: 7408d632730ab5898a94daaf4e7903c1781e1723af128cb39aa4a9de63f75af4

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
aarch64
gdm-47.0-21.el10_2.aarch64.rpm SHA-256: 69d61b0d0114ac4affb403d4c83d0cb2e30df2699fb20fdad9023865b37e13f8
gdm-debuginfo-47.0-21.el10_2.aarch64.rpm SHA-256: 30ac983cd3bd29454e7da22af2bed1c577799f2e6aef37196189116ce7dc0dc5
gdm-debugsource-47.0-21.el10_2.aarch64.rpm SHA-256: f0be4ac976a92484e998523699fb01755740abc506e23445155ab941fc75adaf

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
s390x
gdm-47.0-21.el10_2.s390x.rpm SHA-256: ed09ec7f9a331ce45e8fc8890f20bf7e96ff384c18d473c65815473b3db5ea62
gdm-debuginfo-47.0-21.el10_2.s390x.rpm SHA-256: 3b6a5c3c53cf0f98ed53ac11f562ea010f0b01909eab1fd2b6f18c372203f640
gdm-debugsource-47.0-21.el10_2.s390x.rpm SHA-256: 193af9a044a06673f7aa3068d8b8b9bd8d2436ab31b9ee109f5f5b44a7670c13

Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
ppc64le
gdm-47.0-21.el10_2.ppc64le.rpm SHA-256: 2875f72b5f6ab01655ade358a5bd2442c5c0482f02aa86e85e4151b5f815d8a9
gdm-debuginfo-47.0-21.el10_2.ppc64le.rpm SHA-256: e2792e91130f6df12cab1133701581e758ec2ce35c20f8ea247756cce6baba0a
gdm-debugsource-47.0-21.el10_2.ppc64le.rpm SHA-256: 5f896629e5fbc4e65a011a88b2daefedb4bdc18d86f5023ca9844230f31925b9

Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
x86_64
gdm-47.0-21.el10_2.x86_64.rpm SHA-256: 487382a2df4b22b422306bc23c82b10ba9cb6ed8c8623c737f984395ae7a932e
gdm-debuginfo-47.0-21.el10_2.x86_64.rpm SHA-256: 765733b942b1eb06de1bdb0556c0e6e0f46e456317511a0c0b706e0e51f85363
gdm-debugsource-47.0-21.el10_2.x86_64.rpm SHA-256: 18bd7c4aca2d7043a3de89a0066a747a5f94c7b706e59dcf049fd70fade67def

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
x86_64
gdm-47.0-21.el10_2.x86_64.rpm SHA-256: 487382a2df4b22b422306bc23c82b10ba9cb6ed8c8623c737f984395ae7a932e
gdm-debuginfo-47.0-21.el10_2.x86_64.rpm SHA-256: 765733b942b1eb06de1bdb0556c0e6e0f46e456317511a0c0b706e0e51f85363
gdm-debugsource-47.0-21.el10_2.x86_64.rpm SHA-256: 18bd7c4aca2d7043a3de89a0066a747a5f94c7b706e59dcf049fd70fade67def

Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
aarch64
gdm-47.0-21.el10_2.aarch64.rpm SHA-256: 69d61b0d0114ac4affb403d4c83d0cb2e30df2699fb20fdad9023865b37e13f8
gdm-debuginfo-47.0-21.el10_2.aarch64.rpm SHA-256: 30ac983cd3bd29454e7da22af2bed1c577799f2e6aef37196189116ce7dc0dc5
gdm-debugsource-47.0-21.el10_2.aarch64.rpm SHA-256: f0be4ac976a92484e998523699fb01755740abc506e23445155ab941fc75adaf

Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
ppc64le
gdm-47.0-21.el10_2.ppc64le.rpm SHA-256: 2875f72b5f6ab01655ade358a5bd2442c5c0482f02aa86e85e4151b5f815d8a9
gdm-debuginfo-47.0-21.el10_2.ppc64le.rpm SHA-256: e2792e91130f6df12cab1133701581e758ec2ce35c20f8ea247756cce6baba0a
gdm-debugsource-47.0-21.el10_2.ppc64le.rpm SHA-256: 5f896629e5fbc4e65a011a88b2daefedb4bdc18d86f5023ca9844230f31925b9

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2

SRPM
gdm-47.0-21.el10_2.src.rpm SHA-256: e2bd4a82296d8ab0217192d72478d9a524909b76252dfc422180165f8260f922
s390x
gdm-47.0-21.el10_2.s390x.rpm SHA-256: ed09ec7f9a331ce45e8fc8890f20bf7e96ff384c18d473c65815473b3db5ea62
gdm-debuginfo-47.0-21.el10_2.s390x.rpm SHA-256: 3b6a5c3c53cf0f98ed53ac11f562ea010f0b01909eab1fd2b6f18c372203f640
gdm-debugsource-47.0-21.el10_2.s390x.rpm SHA-256: 193af9a044a06673f7aa3068d8b8b9bd8d2436ab31b9ee109f5f5b44a7670c13

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