{"id":"CVE-2022-2347","aliases":["DEBIAN-CVE-2022-2347","DLA-4150-1","EUVD-2022-34616","GHSA-57ww-qgjv-3g3c","OESA-2024-2186","OESA-2024-2187","OESA-2024-2188","OESA-2024-2189","UBUNTU-CVE-2022-2347","USN-5764-1","USN-6523-1"],"status":"published","title":"Unchecked Download size in Uboot","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00577,"percentile":0.479,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-787"],"published":"2022-09-23T12:50:08Z","modified":"2026-11-03T08:03:49Z","fixes":[{"ecosystem":"Debian:12","package":"u-boot","fixed_in":["2023.01~rc4+dfsg-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"u-boot","fixed_in":["2023.01~rc4+dfsg-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"u-boot","fixed_in":["2023.01~rc4+dfsg-2"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP3","package":"uboot-tools","fixed_in":["2021.10-8.oe2203sp3"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP4","package":"uboot-tools","fixed_in":["2020.07-8.oe2003sp4"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP1","package":"uboot-tools","fixed_in":["2021.10-8.oe2203sp1"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP4","package":"uboot-tools","fixed_in":["2021.10-8.oe2203sp4"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"u-boot","fixed_in":["2020.10+dfsg-1ubuntu0~18.04.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"u-boot","fixed_in":["2021.01+dfsg-3ubuntu0~20.04.5"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"u-boot","fixed_in":["2022.01+dfsg-2ubuntu2.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"u-boot-nezha","fixed_in":["2022.04+git20220405.7446a472-0ubuntu0.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2023.01~rc4+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2023.01~rc4+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2023.01~rc4+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.01+dfsg-5+deb11u1"}]}],"versions":["2021.01+dfsg-5"],"bundled":14},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP3","package":"uboot-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.10-8.oe2203sp3"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"uboot-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2020.07-8.oe2003sp4"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP1","package":"uboot-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.10-8.oe2203sp1"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"uboot-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.10-8.oe2203sp4"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2015.04+dfsg1-2ubuntu1","2015.10+dfsg1-2","2015.10+dfsg1-3","2015.10+dfsg1-4","2016.01+dfsg1-1","2016.01+dfsg1-1ubuntu1","2016.01+dfsg1-2ubuntu1","2016.01+dfsg1-2ubuntu2","2016.01+dfsg1-2ubuntu3","2016.01+dfsg1-2ubuntu5","2016.01+dfsg1-2ubuntu5+esm1","2016.01+dfsg1-2ubuntu5+esm2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2020.10+dfsg-1ubuntu0~18.04.3"}]}],"versions":["2016.03+dfsg1-6ubuntu2","2018.07~rc3+dfsg1-0ubuntu1~18.04.1","2018.07~rc3+dfsg1-0ubuntu2~18.04.1","2018.07~rc3+dfsg1-0ubuntu3~18.04.1","2019.07+dfsg-1ubuntu4~18.04.1","2020.10+dfsg-1ubuntu0~18.04.2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.01+dfsg-3ubuntu0~20.04.5"}]}],"versions":["2019.07+dfsg-1ubuntu3","2019.07+dfsg-1ubuntu5","2019.07+dfsg-1ubuntu6","2020.10+dfsg-1ubuntu0~20.04.2","2021.01+dfsg-3ubuntu0~20.04.1","2021.01+dfsg-3ubuntu0~20.04.3","2021.01+dfsg-3ubuntu0~20.04.4"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2022.01+dfsg-2ubuntu2.3"}]}],"versions":["2021.07+dfsg-0ubuntu8","2021.07+dfsg-0ubuntu9","2021.07+dfsg-0ubuntu10","2022.01+dfsg-2ubuntu1","2022.01+dfsg-2ubuntu2","2022.01+dfsg-2ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"u-boot-nezha","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2022.04+git20220405.7446a472-0ubuntu0.4"}]}],"versions":["2021.09+git20211008.62392d3-0ubuntu1","2022.04+git20220405.7446a472-0ubuntu0.1","2022.04+git20220405.7446a472-0ubuntu0.2","2022.04+git20220405.7446a472-0ubuntu0.3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"u-boot-nezha","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2022.10-1089-g528ae9bc6c-0ubuntu2","2024.01~rc1-190-g2e89b706f5-0ubuntu1","2024.01~rc1-190-g2e89b706f5-0ubuntu2","2024.01~rc1-190-g2e89b706f5-0ubuntu2.24.04.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2020.10+dfsg-1ubuntu0~18.04.3"}]}],"versions":["2016.03+dfsg1-6ubuntu2","2018.07~rc3+dfsg1-0ubuntu1~18.04.1","2018.07~rc3+dfsg1-0ubuntu2~18.04.1","2018.07~rc3+dfsg1-0ubuntu3~18.04.1","2019.07+dfsg-1ubuntu4~18.04.1","2020.10+dfsg-1ubuntu0~18.04.2"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.01+dfsg-3ubuntu0~20.04.5"}]}],"versions":["2019.07+dfsg-1ubuntu3","2019.07+dfsg-1ubuntu5","2019.07+dfsg-1ubuntu6","2020.10+dfsg-1ubuntu0~20.04.2","2021.01+dfsg-3ubuntu0~20.04.1","2021.01+dfsg-3ubuntu0~20.04.3","2021.01+dfsg-3ubuntu0~20.04.4"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"u-boot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2022.01+dfsg-2ubuntu2.3"}]}],"versions":["2021.07+dfsg-0ubuntu8","2021.07+dfsg-0ubuntu9","2021.07+dfsg-0ubuntu10","2022.01+dfsg-2ubuntu1","2022.01+dfsg-2ubuntu2","2022.01+dfsg-2ubuntu2.1"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"u-boot-nezha","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2022.04+git20220405.7446a472-0ubuntu0.4"}]}],"versions":["2021.09+git20211008.62392d3-0ubuntu1","2022.04+git20220405.7446a472-0ubuntu0.1","2022.04+git20220405.7446a472-0ubuntu0.2","2022.04+git20220405.7446a472-0ubuntu0.3"],"bundled":3}],"products":[{"vendor":"denx","product":"u-boot"},{"vendor":"siemens","product":"ruggedcom rox mx5000"},{"vendor":"siemens","product":"ruggedcom rox mx5000re"},{"vendor":"siemens","product":"ruggedcom rox rx1400"},{"vendor":"siemens","product":"ruggedcom rox rx1500"},{"vendor":"siemens","product":"ruggedcom rox rx1501"},{"vendor":"siemens","product":"ruggedcom rox rx1510"},{"vendor":"siemens","product":"ruggedcom rox rx1511"},{"vendor":"siemens","product":"ruggedcom rox rx1512"},{"vendor":"siemens","product":"ruggedcom rox rx1524"},{"vendor":"siemens","product":"ruggedcom rox rx1536"},{"vendor":"siemens","product":"ruggedcom rox rx5000"},{"vendor":"uboot","product":"uboot"}],"references":[{"url":"https://seclists.org/oss-sec/2022/q3/41","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html","tags":["web"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-577017.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2347","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-57ww-qgjv-3g3c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2347.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-2347","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2186","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2187","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2188","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2189","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-2347","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2022/07/08/2","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5764-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-6523-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-2347","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-30552","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-30767","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-30790","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-33103","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-33967","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-34835","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-2347","title":"Unchecked Download size in Uboot","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","status":"published","published":"2022-09-23T12:50:08.787Z","modified":"2026-05-12T10:12:24.85Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:34:32.495407Z"}],"euvd":[{"id":"EUVD-2022-34616","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","status":"published","published":"2022-09-23T12:50:08Z","modified":"2026-05-12T10:12:24Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:04:38.188393Z"}],"ghsa":[{"id":"GHSA-57ww-qgjv-3g3c","title":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the...","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","status":"published","published":"2022-09-25T00:00:26Z","modified":"2026-05-12T12:31:28Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:08:00.69632Z"}],"nvd":[{"id":"CVE-2022-2347","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","status":"published","published":"2022-09-23T13:15:10.133Z","modified":"2026-06-17T04:41:44.32Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:07:28.501364Z"}],"osv":[{"id":"CVE-2022-2347","title":"Unchecked Download size in Uboot","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","status":"published","published":"2022-09-23T12:50:08.787Z","modified":"2026-10-28T02:30:53.959924788Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:24.061177Z"},{"id":"DEBIAN-CVE-2022-2347","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","status":"published","published":"2022-09-23T13:15:10.133Z","modified":"2026-11-03T08:03:49.80304107Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T08:23:57.167851Z"},{"id":"OESA-2024-2186","title":"uboot-tools security update","description":"This package includes the mkimage program, which allows generation of U-Boot images in various formats, and the fw_printenv and fw_setenv programs to read and modify U-Boot\u0026apos;s environment.\r\n\r\nSecurity Fix(es):\r\n\r\nThere exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.(CVE-2022-2347)","status":"published","published":"2024-09-27T11:07:39Z","modified":"2026-08-18T01:17:33.248272007Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:41.595342Z"},{"id":"OESA-2024-2187","title":"uboot-tools security update","description":"This package includes the mkimage program, which allows generation of U-Boot images in various formats, and the fw_printenv and fw_setenv programs to read and modify U-Boot\u0026apos;s environment.\r\n\r\nSecurity Fix(es):\r\n\r\nThere exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.(CVE-2022-2347)","status":"published","published":"2024-09-27T11:07:39Z","modified":"2026-08-18T01:17:33.106085391Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:41.595342Z"},{"id":"OESA-2024-2188","title":"uboot-tools security update","description":"This package includes the mkimage program, which allows generation of U-Boot images in various formats, and the fw_printenv and fw_setenv programs to read and modify U-Boot\u0026apos;s environment.\r\n\r\nSecurity Fix(es):\r\n\r\nThere exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.(CVE-2022-2347)","status":"published","published":"2024-09-27T11:07:39Z","modified":"2026-08-18T01:17:33.158798844Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:41.595342Z"},{"id":"OESA-2024-2189","title":"uboot-tools security update","description":"This package includes the mkimage program, which allows generation of U-Boot images in various formats, and the fw_printenv and fw_setenv programs to read and modify U-Boot\u0026apos;s environment.\r\n\r\nSecurity Fix(es):\r\n\r\nThere exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.(CVE-2022-2347)","status":"published","published":"2024-09-27T11:07:39Z","modified":"2026-08-18T01:17:33.13881108Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:41.595342Z"},{"id":"UBUNTU-CVE-2022-2347","description":"There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.","status":"published","published":"2022-09-23T13:15:00Z","modified":"2026-10-17T12:56:20.91566514Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:53:53.13624Z"},{"id":"DLA-4150-1","title":"u-boot - security update","status":"published","published":"2025-05-01T00:00:00Z","modified":"2026-03-09T02:09:33.100542Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"USN-5764-1","title":"u-boot vulnerabilities","description":"It was discovered that U-Boot incorrectly handled certain USB DFU download\nsetup packets. A local attacker could use this issue to cause U-Boot to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2022-2347)\n\nNicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled\ncertain fragmented IP packets. A local attacker could use this issue to\ncause U-Boot to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu\n20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-30552, CVE-2022-30790)\n\nIt was discovered that U-Boot incorrectly handled certain NFS lookup\nreplies. A remote attacker could use this issue to cause U-Boot to crash,\nresulting in a denial of service, or possibly execute arbitrary code. This\nissue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04\nLTS. (CVE-2022-30767)\n\nJincheng Wang discovered that U-Boot incorrectly handled certain SquashFS\nstructures. A local attacker could use this issue to cause U-Boot to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and\nUbuntu 22.04 LTS. (CVE-2022-33103)\n\nTatsuhiko Yasumatsu discovered that U-Boot incorrectly handled certain\nSquashFS structures. A local attacker could use this issue to cause U-Boot\nto crash, resulting in a denial of service, or possibly execute arbitrary\ncode. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and\nUbuntu 22.04 LTS. (CVE-2022-33967)\n\nIt was discovered that U-Boot incorrectly handled the i2c command. A local\nattacker could use this issue to cause U-Boot to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. This issue only\naffected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.\n(CVE-2022-34835)\n","status":"published","published":"2022-12-06T12:54:01Z","modified":"2026-04-27T16:22:20.178238Z","updated_at":"2026-11-02T16:58:16.20937Z"},{"id":"USN-6523-1","title":"u-boot-nezha vulnerability","description":"It was discovered that U-Boot incorrectly handled certain USB DFU download\nsetup packets. A local attacker could use this issue to cause U-Boot to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2022-2347)\n\nNicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled\ncertain fragmented IP packets. A local attacker could use this issue to\ncause U-Boot to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2022-30552, CVE-2022-30790)\n","status":"published","published":"2023-11-29T13:41:02Z","modified":"2026-04-27T16:58:57.268867Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}