Ubuntu Security Notice 6494-1 - Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service. Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service or possibly expose sensitive information.
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Ubuntu Security Notice 6500-1 - Joshua Rogers discovered that Squid incorrectly handled validating certain SSL certificates. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. Joshua Rogers discovered that Squid incorrectly handled the Gopher protocol. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. Gopher support has been disabled in this update. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.
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Ubuntu Security Notice 6499-1 - It was discovered that GnuTLS had a timing side-channel when handling certain RSA-PSK key exchanges. A remote attacker could possibly use this issue to recover sensitive information.
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Ubuntu Security Notice 6498-1 - It was discovered that FRR incorrectly handled certain BGP messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service.
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Red Hat Security Advisory 2023-7438-01 - An update for python-gevent is now available for Red Hat OpenStack Platform 17.1.1. Issues addressed include a privilege escalation vulnerability.
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Red Hat Security Advisory 2023-7436-01 - An update for tigervnc is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include an out of bounds write vulnerability.
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Red Hat Security Advisory 2023-7435-01 - An update for fence-agents is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions.
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Red Hat Security Advisory 2023-7434-01 - An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7431-01 - An update for kernel-rt is now available for Red Hat Enterprise Linux 8.2 Telecommunications Update Service. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7428-01 - An update for tigervnc is now available for Red Hat Enterprise Linux 7. Issues addressed include out of bounds write and use-after-free vulnerabilities.
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Red Hat Security Advisory 2023-7424-01 - An update for kernel-rt is now available for Red Hat Enterprise Linux 7. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7423-01 - An update for kernel is now available for Red Hat Enterprise Linux 7. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7419-01 - An update for kpatch-patch is now available for Red Hat Enterprise Linux 7. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7418-01 - An update for kpatch-patch is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7417-01 - An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7411-01 - An update for kpatch-patch is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7410-01 - An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.
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Red Hat Security Advisory 2023-7409-01 - An update for glibc is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a use-after-free vulnerability.
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Red Hat Security Advisory 2023-7408-01 - An update for samba is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a denial of service vulnerability.
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Red Hat Security Advisory 2023-7407-01 - An update for fence-agents is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.
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Red Hat Security Advisory 2023-7405-01 - An update for tigervnc is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include an out of bounds write vulnerability.
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Red Hat Security Advisory 2023-7403-01 - An update for pixman is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include integer overflow and out of bounds write vulnerabilities.
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Red Hat Security Advisory 2023-7401-01 - An update for linux-firmware is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include an information leakage vulnerability.
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Red Hat Security Advisory 2023-7400-01 - An update for libcap is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include integer overflow and memory leak vulnerabilities.
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Red Hat Security Advisory 2023-7398-01 - An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include null pointer and use-after-free vulnerabilities.
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