{"id":"CVE-2023-53179","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c\n\nThe missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can\nlead t…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c\n\nThe missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can\nlead t…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787","CWE-190"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.4.165, < 4.5","linux_kernel >= 4.9.141, < 4.10","linux_kernel >= 4.14.84, < 4.14.326","linux_kernel >= 4.19.5, < 4.19.295","linux_kernel >= 4.20.1, < 5.4.257","linux_kernel >= 5.5, < 5.10.195","linux_kernel >= 5.11, < 5.15.132","linux_kernel >= 5.16, < 6.1.53","linux_kernel >= 6.2, < 6.4.16","linux_kernel >= 6.5, < 6.5.3","linux_kernel = 4.20"],"patched":["linux_kernel 6.5.3"],"published":"2025-09-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:17:38.663","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-53179","references":[{"url":"https://git.kernel.org/stable/c/050d91c03b28ca479df13dfb02bcd2c60dd6a878","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/109e830585e89a03d554bf8ad0e668630d0a6260","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7935b636dd693dfe4483cfef4a1e91366c8103fa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7ca0706c68adadf86a36b60dca090f5e9481e808","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/83091f8ac03f118086596f17c9a52d31d6ca94b3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a9e6142e5f8f6ac7d1bca45c1b2b13b084ea9e14","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d59b6fc405549f7caf31f6aa5da1d6bef746b166","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d95c8420efe684b964e3aa28108e9a354bcd7225","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e632d09dffc68b9602d6893a99bfe3001d36cefc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53179.json"},{"url":"https://access.redhat.com/security/cve/CVE-2023-53179"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2395277"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-53179"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53179"},{"url":"https://lore.kernel.org/linux-cve-announce/2025091556-CVE-2023-53179-eb55@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00171,"epssPercentile":0.06486,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:34:11.541488Z"},"scores":{"nvd":7.8,"vendor":4.4,"cna":7.8},"ingestedAt":"2026-10-15T22:48:25.392Z","slug":"CVE-2023-53179","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c\n\nThe missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can\nlead to the use of wrong `CIDR_POS(c)` for calculating array offsets,\nwhich can lead to integer underflow. As a result, it leads to slab\nout-of-bound access.\nThis patch adds back the IP_SET_HASH_WITH_NET0 macro to\nip_set_hash_netportnet to address the issue.\n\n## Affected\n\n- `linux_kernel >= 4.4.165, < 4.5`\n- `linux_kernel >= 4.9.141, < 4.10`\n- `linux_kernel >= 4.14.84, < 4.14.326`\n- `linux_kernel >= 4.19.5, < 4.19.295`\n- `linux_kernel >= 4.20.1, < 5.4.257`\n- `linux_kernel >= 5.5, < 5.10.195`\n- `linux_kernel >= 5.11, < 5.15.132`\n- `linux_kernel >= 5.16, < 6.1.53`\n- `linux_kernel >= 6.2, < 6.4.16`\n- `linux_kernel >= 6.5, < 6.5.3`\n- `linux_kernel = 4.20`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.5.3`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53179.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":230069,"id":"CVE-2023-53179","ts":1793124779016,"field":"cvss","old":"4.4","new":"7.8"},{"seq":230068,"id":"CVE-2023-53179","ts":1793124779016,"field":"severity","old":"medium","new":"high"},{"seq":223747,"id":"CVE-2023-53179","ts":1792238387222,"field":"cvss","old":"7.8","new":"4.4"},{"seq":223746,"id":"CVE-2023-53179","ts":1792238387222,"field":"severity","old":"high","new":"medium"}]}