{"id":"CVE-2024-26950","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwireguard: netlink: access device through ctx instead of peer\n\nThe previous commit fixed a bug that led to a NULL peer->device being\ndereferenced","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwireguard: netlink: access device through ctx instead of peer\n\nThe previous commit fixed a bug that led to a NULL peer->device being\ndereferenced. It's actually easier …","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-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.6, < 5.10.215","linux_kernel >= 5.11, < 5.15.154","linux_kernel >= 5.16, < 6.1.84","linux_kernel >= 6.2, < 6.6.24","linux_kernel >= 6.7, < 6.7.12","linux_kernel >= 6.8, < 6.8.3","debian_linux = 10.0"],"patched":["linux_kernel 6.8.3"],"published":"2024-05-01","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:17:33.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-26950","references":[{"url":"https://git.kernel.org/stable/c/09c3fa70f65175861ca948cb2f0f791e666c90e5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/493aa6bdcffd90a4f82aa614fe4f4db0641b4068","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4be453271a882c8ebc28df3dbf9e4d95e6ac42f5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/71cbd32e3db82ea4a74e3ef9aeeaa6971969c86f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/93bcc1752c69bb309f4d8cfaf960ef1faeb34996","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c991567e6c638079304cc15dff28748e4a3c4a37","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d44bd323d8bb8031eef4bdc44547925998a11e47","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/09c3fa70f65175861ca948cb2f0f791e666c90e5","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/493aa6bdcffd90a4f82aa614fe4f4db0641b4068","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/4be453271a882c8ebc28df3dbf9e4d95e6ac42f5","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/71cbd32e3db82ea4a74e3ef9aeeaa6971969c86f","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/93bcc1752c69bb309f4d8cfaf960ef1faeb34996","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/c991567e6c638079304cc15dff28748e4a3c4a37","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/d44bd323d8bb8031eef4bdc44547925998a11e47","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00244,"epssPercentile":0.15529,"ingestedAt":"2026-10-15T03:30:12.663Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-06-06T18:55:56.220490Z"},"slug":"CVE-2024-26950","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwireguard: netlink: access device through ctx instead of peer\n\nThe previous commit fixed a bug that led to a NULL peer->device being\ndereferenced. It's actually easier and faster performance-wise to\ninstead get the device from ctx->wg. This semantically makes more sense\ntoo, since ctx->wg->peer_allowedips.seq is compared with\nctx->allowedips_seq, basing them both in ctx. This also acts as a\ndefence in depth provision against freed peers.\n\n## Affected\n\n- `linux_kernel >= 5.6, < 5.10.215`\n- `linux_kernel >= 5.11, < 5.15.154`\n- `linux_kernel >= 5.16, < 6.1.84`\n- `linux_kernel >= 6.2, < 6.6.24`\n- `linux_kernel >= 6.7, < 6.7.12`\n- `linux_kernel >= 6.8, < 6.8.3`\n- `debian_linux = 10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.8.3`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}