{"id":"CVE-2023-2898","title":"There is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel","summary":"There is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem.","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476","CWE-362","CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel","debian_linux = 10.0","debian_linux = 11.0","debian_linux = 12.0","h300s_firmware","h500s_firmware","h700s_firmware","h410s_firmware","h410c_firmware"],"published":"2023-05-26","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:17:15.437","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-2898","references":[{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","label":"secalert@redhat.com"},{"url":"https://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao%40kernel.org/","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20230929-0002/","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2023/dsa-5480","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2023/dsa-5492","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao%40kernel.org/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20230929-0002/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5480","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5492","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-831302.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00189,"epssPercentile":0.07922,"ingestedAt":"2026-10-14T21:57:04.732Z","slug":"CVE-2023-2898","body":"## Overview\n\nThere is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem.\n\n## Affected\n\n- `linux_kernel`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n- `debian_linux = 12.0`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h410s_firmware`\n- `h410c_firmware`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}