{"id":"CVE-2024-49568","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg\n\nWhen receiving proposal msg in server, the fields v2_ext_offset/\neid_cnt/ism_gid_cnt in pr…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg\n\nWhen receiving proposal msg in server, the fields v2_ext_offset/\neid_cnt/ism_gid_cnt in pr…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.10, < 6.6.68","linux_kernel >= 6.7, < 6.12.7","linux_kernel = 6.13"],"patched":["linux_kernel 6.12.7"],"published":"2025-01-11","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:31.710","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-49568","references":[{"url":"https://git.kernel.org/stable/c/295a92e3df32e72aff0f4bc25c310e349d07ffbf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/42f6beb2d5779429417b5f8115a4e3fa695d2a6c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/49798283fce4c1a24fb1ba4c7c39127739535571","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/690b9a8db9460d065785548e43fd6a02d247c1b7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7863c9f3d24ba49dbead7e03dfbe40deb5888fdf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9cc0170ae646876aa5de2f0cad3066ce53e86f27","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00528,"epssPercentile":0.42676,"ingestedAt":"2026-10-03T11:43:42.105Z","slug":"CVE-2024-49568","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg\n\nWhen receiving proposal msg in server, the fields v2_ext_offset/\neid_cnt/ism_gid_cnt in proposal msg are from the remote client\nand can not be fully trusted. Especially the field v2_ext_offset,\nonce exceed the max value, there has the chance to access wrong\naddress, and crash may happen.\n\nThis patch checks the fields v2_ext_offset/eid_cnt/ism_gid_cnt\nbefore using them.\n\n## Affected\n\n- `linux_kernel >= 5.10, < 6.6.68`\n- `linux_kernel >= 6.7, < 6.12.7`\n- `linux_kernel = 6.13`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.12.7`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}