{"id":"USN-8633-1","summary":"linux, linux-aws, linux-aws-fips, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp-4.15, linux-gcp-fips, linux-kvm vulnerabilities","details":"Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi\nimplementation in the Linux kernel did not properly handle aggregated\nframes in mesh networks, due to an incorrect fix for CVE-2020-24588. A\nphysically proximate attacker could use this issue to inject packets.\n(CVE-2025-27558)\n\nSeveral security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - x86 architecture;\n  - Cryptographic API;\n  - GPU drivers;\n  - InfiniBand drivers;\n  - Media drivers;\n  - NVIDIA Tegra memory controller driver;\n  - Network drivers;\n  - STMicroelectronics network drivers;\n  - NVME drivers;\n  - Ext4 file system;\n  - IPv4 networking;\n  - Network traffic control;\n  - TCP network protocol;\n  - Locking primitives;\n  - B.A.T.M.A.N. meshing protocol;\n  - Ceph Core library;\n  - IPv6 networking;\n  - Multipath TCP;\n  - Netfilter;\n  - SCTP protocol;\n  - SMC sockets;\n(CVE-2021-47354, CVE-2021-47378, CVE-2024-38612, CVE-2026-31405,\nCVE-2026-31414, CVE-2026-31448, CVE-2026-31649, CVE-2026-31657,\nCVE-2026-31668, CVE-2026-43198, CVE-2026-43493, CVE-2026-43499,\nCVE-2026-46266, CVE-2026-46331, CVE-2026-52924, CVE-2026-52931,\nCVE-2026-52955, CVE-2026-52982, CVE-2026-52986, CVE-2026-53002,\nCVE-2026-53006, CVE-2026-53045, CVE-2026-53088, CVE-2026-53176,\nCVE-2026-53225, CVE-2026-53228, CVE-2026-53359)\n","modified":"2026-08-13T02:59:01.077354474Z","published":"2026-08-12T19:54:20Z","related":["UBUNTU-CVE-2021-47354","UBUNTU-CVE-2021-47378","UBUNTU-CVE-2024-38612","UBUNTU-CVE-2025-27558","UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31448","UBUNTU-CVE-2026-31649","UBUNTU-CVE-2026-31657","UBUNTU-CVE-2026-31668","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43493","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-46266","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52931","UBUNTU-CVE-2026-52955","UBUNTU-CVE-2026-52982","UBUNTU-CVE-2026-52986","UBUNTU-CVE-2026-53002","UBUNTU-CVE-2026-53006","UBUNTU-CVE-2026-53045","UBUNTU-CVE-2026-53088","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53225","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"upstream":["CVE-2021-47354","CVE-2021-47378","CVE-2024-38612","CVE-2025-27558","CVE-2026-31405","CVE-2026-31414","CVE-2026-31448","CVE-2026-31649","CVE-2026-31657","CVE-2026-31668","CVE-2026-43198","CVE-2026-43493","CVE-2026-43499","CVE-2026-46266","CVE-2026-46331","CVE-2026-52924","CVE-2026-52931","CVE-2026-52955","CVE-2026-52982","CVE-2026-52986","CVE-2026-53002","CVE-2026-53006","CVE-2026-53045","CVE-2026-53088","CVE-2026-53176","CVE-2026-53225","CVE-2026-53228","CVE-2026-53359","UBUNTU-CVE-2021-47354","UBUNTU-CVE-2021-47378","UBUNTU-CVE-2024-38612","UBUNTU-CVE-2025-27558","UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31448","UBUNTU-CVE-2026-31649","UBUNTU-CVE-2026-31657","UBUNTU-CVE-2026-31668","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43493","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-46266","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52931","UBUNTU-CVE-2026-52955","UBUNTU-CVE-2026-52982","UBUNTU-CVE-2026-52986","UBUNTU-CVE-2026-53002","UBUNTU-CVE-2026-53006","UBUNTU-CVE-2026-53045","UBUNTU-CVE-2026-53088","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53225","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8633-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47354"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47378"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38612"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-27558"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31405"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31414"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31448"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31649"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31657"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31668"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43198"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43493"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43499"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46266"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46331"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52924"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52931"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52955"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52982"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52986"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53002"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53006"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53045"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53088"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53176"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53225"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53228"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53359"}],"affected":[{"package":{"name":"linux","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/linux?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-254.266"}]}],"versions":["4.13.0-16.19","4.13.0-17.20","4.13.0-25.29","4.13.0-32.35","4.15.0-10.11","4.15.0-12.13","4.15.0-13.14","4.15.0-15.16","4.15.0-19.20","4.15.0-20.21","4.15.0-22.24","4.15.0-23.25","4.15.0-24.26","4.15.0-29.31","4.15.0-30.32","4.15.0-32.35","4.15.0-33.36","4.15.0-34.37","4.15.0-36.39","4.15.0-38.41","4.15.0-39.42","4.15.0-42.45","4.15.0-43.46","4.15.0-44.47","4.15.0-45.48","4.15.0-46.49","4.15.0-47.50","4.15.0-48.51","4.15.0-50.54","4.15.0-51.55","4.15.0-52.56","4.15.0-54.58","4.15.0-55.60","4.15.0-58.64","4.15.0-60.67","4.15.0-62.69","4.15.0-64.73","4.15.0-65.74","4.15.0-66.75","4.15.0-69.78","4.15.0-70.79","4.15.0-72.81","4.15.0-74.84","4.15.0-76.86","4.15.0-88.88","4.15.0-91.92","4.15.0-96.97","4.15.0-99.100","4.15.0-101.102","4.15.0-106.107","4.15.0-108.109","4.15.0-109.110","4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