-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:2727-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2727 Issue date: 2021-07-20 CVE Names: CVE-2021-33034 CVE-2021-33909 ==================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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 Server (v. 7) - ppc64le, x86_64 3. Description: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909) * kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034) 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. 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/): 1961305 - CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan 1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: kpatch-patch-3_10_0-1160-1-7.el7.src.rpm kpatch-patch-3_10_0-1160_11_1-1-6.el7.src.rpm kpatch-patch-3_10_0-1160_15_2-1-6.el7.src.rpm kpatch-patch-3_10_0-1160_21_1-1-4.el7.src.rpm kpatch-patch-3_10_0-1160_24_1-1-2.el7.src.rpm kpatch-patch-3_10_0-1160_25_1-1-2.el7.src.rpm kpatch-patch-3_10_0-1160_2_1-1-7.el7.src.rpm kpatch-patch-3_10_0-1160_2_2-1-7.el7.src.rpm kpatch-patch-3_10_0-1160_31_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1160_6_1-1-7.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1160-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160-debuginfo-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_31_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_31_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-7.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1160-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160-debuginfo-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_21_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_31_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_31_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-7.el7.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-2021-33034 https://access.redhat.com/security/cve/CVE-2021-33909 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-006 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYPdRtNzjgjWX9erEAQgitA/+Ji7rXfZaofQn63MZhvLoKL82sSM4H3Fw PvIgCxOc3N3FDdVjkppWJKgNhUYenN6qE+zBWiJBk3wojFf+1X9Jqp6eWqSwM8sD yz4IRnGT9tctlr39wURZRX/HfuJtTQwRTkOiSVXNUVlw6xe7J2FvwH/1oxhOYjqu InP74qvTx6YM4061Nw8EgKKUnmNlVKopKWVS0S8XdCboFsVfqVic4QrEjiacWhkd 0EedSAKnY+GBw2KvScgKnjIO00mgcZLDrfwYUyg0TY5FglXi9GwcF8NGx+Q/E7iy J5/r+/TtG2GzhhA61fJOip5l4ffJ6NlxXMfv3IxI+HllH47E3PgLic6tVqZ+vB7Y mDQKgB++O6vbo9tk1v9V7W8+geC7JqHdwHXTkLprSPEOjvBNUIYpT+HGytpWWr2l IoQcahDZDzp1cFzPFi9rFlsllyBMo9rcaI4CuyWJTZm3fB3c/QlrbZd5PdoOUoMp Qllk/Td0EANyVvy2gIQn+K3z9UrY+p15ivy12HXt98EMlejYr2X+bT+m1LGFAwRb CV0Xn2vY2LVOQ3dpXNR+YPASliTJxYTps66hurjKaLnpxJrA4Bw4YKoT1bmenA+h ZSpILQTFt+RD3gUn1pcsUGLNbc2/QEDO2lREGzHg8dIqmIbIKp40lLwtJcf5qfaF BahzWWxvD08=L259 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce