-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: xorg-x11-server-Xwayland security update Advisory ID: RHSA-2023:2805-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:2805 Issue date: 2023-05-16 CVE Names: CVE-2022-3550 CVE-2022-3551 CVE-2022-4283 CVE-2022-46340 CVE-2022-46341 CVE-2022-46342 CVE-2022-46343 CVE-2022-46344 CVE-2023-0494 ==================================================================== 1. Summary: An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg-x11-server: buffer overflow in _GetCountedString() in xkb/xkb.c (CVE-2022-3550) * xorg-x11-server: XkbGetKbdByName use-after-free (CVE-2022-4283) * xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340) * xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341) * xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342) * xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343) * xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344) * xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation (CVE-2023-0494) * xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c (CVE-2022-3551) 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 Red Hat Enterprise Linux 8.8 Release Notes linked from the References section. 4. 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 5. Bugs fixed (https://bugzilla.redhat.com/): 2140698 - CVE-2022-3550 xorg-x11-server: buffer overflow in _GetCountedString() in xkb/xkb.c 2140701 - CVE-2022-3551 xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c 2151755 - CVE-2022-46340 xorg-x11-server: XTestSwapFakeInput stack overflow 2151756 - CVE-2022-46341 xorg-x11-server: XIPassiveUngrab out-of-bounds access 2151757 - CVE-2022-46342 xorg-x11-server: XvdiSelectVideoNotify use-after-free 2151758 - CVE-2022-46343 xorg-x11-server: ScreenSaverSetAttributes use-after-free 2151760 - CVE-2022-46344 xorg-x11-server: XIChangeProperty out-of-bounds access 2151761 - CVE-2022-4283 xorg-x11-server: XkbGetKbdByName use-after-free 2165995 - CVE-2023-0494 xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: xorg-x11-server-Xwayland-21.1.3-10.el8.src.rpm aarch64: xorg-x11-server-Xwayland-21.1.3-10.el8.aarch64.rpm xorg-x11-server-Xwayland-debuginfo-21.1.3-10.el8.aarch64.rpm xorg-x11-server-Xwayland-debugsource-21.1.3-10.el8.aarch64.rpm ppc64le: xorg-x11-server-Xwayland-21.1.3-10.el8.ppc64le.rpm xorg-x11-server-Xwayland-debuginfo-21.1.3-10.el8.ppc64le.rpm xorg-x11-server-Xwayland-debugsource-21.1.3-10.el8.ppc64le.rpm s390x: xorg-x11-server-Xwayland-21.1.3-10.el8.s390x.rpm xorg-x11-server-Xwayland-debuginfo-21.1.3-10.el8.s390x.rpm xorg-x11-server-Xwayland-debugsource-21.1.3-10.el8.s390x.rpm x86_64: xorg-x11-server-Xwayland-21.1.3-10.el8.x86_64.rpm xorg-x11-server-Xwayland-debuginfo-21.1.3-10.el8.x86_64.rpm xorg-x11-server-Xwayland-debugsource-21.1.3-10.el8.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2022-3550 https://access.redhat.com/security/cve/CVE-2022-3551 https://access.redhat.com/security/cve/CVE-2022-4283 https://access.redhat.com/security/cve/CVE-2022-46340 https://access.redhat.com/security/cve/CVE-2022-46341 https://access.redhat.com/security/cve/CVE-2022-46342 https://access.redhat.com/security/cve/CVE-2022-46343 https://access.redhat.com/security/cve/CVE-2022-46344 https://access.redhat.com/security/cve/CVE-2023-0494 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZGNvP9zjgjWX9erEAQhuug//QoEK+QGzM09kwMZcSU4TRA6vxrHbNYyP dimipfNzP3msfiTk/pihpQHAtcexss3V3s9UMsYqFpVqOvX0KMSwxZFOr9DAy4kF 5mwuK/RjUVii1Afun+5bB4u1468mk4Zrvnz4PEDWU+d/fMj9VyvlXgCp+ucyjmag IIGwGss3wzpWCdIPlWN1RKzcsTTO7xMaSkTb1puKSxZzXYCLcAp9PxVEKEsmI6a/ +8tbdMDzQzfQaS9fUWv702mlPAaeM5E4CEWC4OQo/pA9Ig5DN0NugFRKX1jbwY9R 9houAVHvyu+E0F/N9c49PLQObktEwQ2OGOTI4IuHxHOOebe+BBZCh8dIgOgASwEw n5tb2Qdh/iGchTibii+pT+kI5/TkrTbcTDAQ+gDM4QrXrP0RF971ocHa+YTkEMHm lo/dtRRCPdgpuNyLuuAPTvGcV/2jvKTDfEc2uEDSd6EjbrmTX4rcVxsYYpVuj/AP ffoyXyka6tQiA8wxaJPjcTXJHnwBJahli/r7pL5O5YnxEfyoIwoH/yUJ9w7edi9J t2/t3GJ8CWmCWaDgyqfygOl3ytraByS5mE2rqzOxSbFDLC/ElZ+cUQf6PiPntRY5 BAU5/sA+2dTY/RP59Xm5NNDdowBWrcJHJeALFywKudzC9NYzOCUNmZ+EyKIaUEp/ qWmh4522nAk=KV7H -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce