USN-8646-1 linux vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - OCFS2 file system; - B.A.T.M.A.N. meshing protocol; - Netfilter; - SCTP protocol; CVE-2026-52914, CVE-2026-53002,...

USN-8645-1 linux-oracle vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8643-1 linux, linux-aws, linux-aws-fips, linux-azure, linux-fips, linux-gcp, linux-gcp-6.8, linux-gcp-fips, linux-gkeop, linux-oracle, linux-realtime, linux-realtime-6.8, linux-xilinx vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531...

USN-8641-1 dotnet8, dotnet10 vulnerabilities

Miha Zupan discovered that .NET did not properly interpret certain HTTP requests. An attacker could possibly use this issue to perform request smuggling and bypass a security feature. CVE-2026-62899 Ivan Demchuk discovered that .NET did not properly handle the removal of sensitive information...

USN-8642-1 c3p0 vulnerabilities

It was discovered that c3p0 was vulnerable to remote code execution via maliciously crafted serialized objects and JNDI references. An attacker could use this to execute arbitrary code, bypass security restrictions, or cause a denial of service...

USN-8640-1 engrampa vulnerability

It was discovered that Engrampa incorrectly handled symbolic links when extracting certain archives. An attacker could possibly use this issue to write arbitrary files and execute arbitrary code...

USN-8639-1 libpng, libpng1.6 vulnerabilities

Patrick Keshishian discovered that libpng incorrectly handled certain text chunks. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2016-10087 It was discovered that libpng incorrectly handled certain malformed images. An...

USN-8629-2 linux-aws-7.0 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - Network traffic control; - IPv4 networking; - IPv6...

USN-8631-3 linux-nvidia-tegra-igx vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8633-2 linux-aws-hwe, linux-azure, linux-gcp, linux-hwe vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8529-2 linux-azure, linux-gcp, linux-hwe, linux-oracle vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8548-2 linux, linux-aws, linux-kvm vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8530-2 linux-aws-hwe vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8637-1 linux-oem-7.0 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - Thunderbolt and USB4 drivers; - Network traffic contro...

USN-8631-2 linux-oracle vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8630-2 linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia-tegra, linux-oracle vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - Mellanox network drivers; - File systems infrastructur...

USN-8632-1 node-follow-redirects vulnerability

Dennis Sepede discovered that follow-redirects did not properly remove custom authentication headers when following cross-domain redirects. An attacker could possibly use this issue to obtain sensitive authentication information, resulting in credential disclosure...

USN-8635-1 linux-azure vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8634-1 linux vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - Cryptographic API; - InfiniBand drivers; - Media drivers; - STMicroelectronics network drivers;...

USN-8631-1 linux, linux-aws, linux-aws-fips, linux-azure, linux-azure-fde, linux-azure-fips, linux-gkeop, linux-ibm, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle-5.15, linux-realtime, linux-xilinx-zynqmp vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8629-1 linux, linux-aws, linux-azure, linux-azure-fde, linux-ibm, linux-oracle, linux-raspi, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - Network traffic control; - IPv4 networking; - IPv6...

USN-8627-1 yelp vulnerability

It was discovered that Yelp incorrectly handled certain crafted help documents due to an overly permissive Content Security Policy. An attacker could trick a user into opening a specially crafted document, possibly resulting in the disclosure of sensitive information...

USN-8626-1 systemd vulnerabilities

It was discovered that systemd-homed did not properly verify the signature of home records. A local attacker could possibly use this issue to add arbitrary system groups to a logged-in user and gain elevated privileges. CVE-2026-16742 It was discovered that systemd-machined incorrectly handled...

USN-8620-4 linux-intel-iotg vulnerabilities

Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...

USN-8625-1 openssl vulnerability

It was discovered that OpenSSL incorrectly allocated memory buffers in the SSL/TLS state machine when receiving handshake data. A remote attacker could possibly use this issue to cause OpenSSL to consume excessive memory, leading to a denial of service. This issue is known as the "HollowByte"...

USN-8624-1 ruby-sinatra vulnerability

It was discovered that Sinatra did not properly handle header parsing, causing ETag generation to hang when given specific input. A remote attacker could possibly use this issue to cause a denial of service...

USN-8623-1 linux-nvidia-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Arm Firmware Framework for ARMv8-AFFA; CVE-2026-53354, CVE-2026-64520...

USN-8622-1 linux-nvidia, linux-nvidia-7.0 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Arm Firmware Framework for ARMv8-AFFA; CVE-2026-53354, CVE-2026-64520...

USN-8620-2 linux-azure-fips vulnerabilities

Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...

USN-8615-2 linux-raspi, linux-raspi-5.4 vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8561-2 freerdp3 regression

USN-8561-1 fixed vulnerabilities in FreeRDP. Unfortunately, the upgrade to version 3.30.0 introduced a regression in the clipboard functionality. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that FreeRDP contained multiple securit...

USN-8621-1 samba vulnerabilities

It was discovered that Samba's pamwinbind incorrectly handled home directory ownership when mkhomedir was enabled. A local attacker could possibly use this issue to cause a denial of service by triggering a change in ownership of the root directory. CVE-2026-15779 Arjun Basnet, Douglas Bagnall, a...

USN-8619-1 linux-hwe-6.8 vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

USN-8595-3 linux-aws-6.8, linux-aws-fips vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

USN-8574-3 linux-ibm, linux-ibm-6.8, linux-nvidia-tegra, linux-xilinx vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

USN-8570-2 linux-oracle-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Null block...

USN-8618-1 linux-aws, linux-raspi vulnerabilities

It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...

USN-8616-1 linux-ibm, linux-ibm-5.4 vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8615-1 linux, linux-aws, linux-aws-5.4, linux-aws-fips, linux-azure, linux-azure-5.4, linux-azure-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-hwe-5.4, linux-iot, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8547-2 linux-azure-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

USN-8612-1 roc-toolkit vulnerability

It was discovered that Roc Toolkit incorrectly handled WAV files with a malformed "smpl" chunk. An attacker could use this issue to cause Roc Toolkit to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8609-1 linux-azure-fde-6.8 vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

USN-8607-1 linux-azure-fde vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

USN-8606-1 linux-azure, linux-azure-6.8 vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

USN-8605-1 linux-azure-fde-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

USN-8600-1 libxpm vulnerability

Naoki Wakamatsu discovered that libXpm did not properly validate file boundaries when processing XPM image files. An attacker could possibly use this issue to cause libXpm to crash, resulting in a denial of service...

USN-8599-1 libhttp-date-perl vulnerability

It was discovered that HTTP-Date incorrectly handled parsing certain date strings. An attacker could possibly use this issue to cause HTTP-Date to use excessive resources, leading to a denial of service...

USN-8598-1 rsyslog vulnerabilities

It was discovered that rsyslog incorrectly handled regex-based TCP framing in the imptcp module. A remote attacker could possibly use this issue to cause rsyslog to crash, resulting in a denial of service. It was discovered that rsyslog incorrectly handled oversized RFC5424 structured data in the...

USN-8322-2 commons-beanutils regression

USN-8322-1 fixed a vulnerability in Apache Commons BeanUtils. It was discovered that for Ubuntu 18.04 LTS, during the update preparation phase, a previous fix for CVE-2014-0114 and CVE-2019-10086 was incorrectly dropped. This update reintroduces the fix for CVE-2014-0114 and CVE-2019-10086. We...

USN-8597-1 linux-ibm-5.15 vulnerabilities

Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...