{"id":"CVE-2024-49994","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix integer overflow in BLKSECDISCARD\n\nI independently rediscovered\n\n\tcommit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155\n\tblock: fix overflow in blk_ioctl_discard()…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix integer overflow in BLKSECDISCARD\n\nI independently rediscovered\n\n\tcommit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155\n\tblock: fix overflow in blk_ioctl_discard()…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-190"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 6.10.14","linux_kernel >= 6.11, < 6.11.3"],"patched":["linux_kernel 6.11.3"],"published":"2024-10-21","updated":"2026-07-14","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-49994","references":[{"url":"https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8476f8428e8b48fd7a0e4258fa2a96a8f4468239","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a99bacb35c1416355eef957560e8fcac3a665549","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49994.json"},{"url":"https://access.redhat.com/security/cve/CVE-2024-49994"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2320554"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-49994"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49994"},{"url":"https://lore.kernel.org/linux-cve-announce/2024102138-CVE-2024-49994-de99@gregkh/T"},{"url":"https://access.redhat.com/errata/RHSA-2025:6966"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00241,"epssPercentile":0.13497,"ingestedAt":"2026-07-14T13:36:54.596Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T13:30:51.719818Z"},"scores":{"nvd":5.5,"vendor":4.4},"slug":"CVE-2024-49994","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix integer overflow in BLKSECDISCARD\n\nI independently rediscovered\n\n\tcommit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155\n\tblock: fix overflow in blk_ioctl_discard()\n\nbut for secure erase.\n\nSame problem:\n\n\tuint64_t r[2] = {512, 18446744073709551104ULL};\n\tioctl(fd, BLKSECDISCARD, r);\n\nwill enter near infinite loop inside blkdev_issue_secure_erase():\n\n\ta.out: attempt to access beyond end of device\n\tloop0: rw=5, sector=3399043073, nr_sectors = 1024 limit=2048\n\tbio_check_eod: 3286214 callbacks suppressed\n\n## Affected\n\n- `linux_kernel < 6.10.14`\n- `linux_kernel >= 6.11, < 6.11.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.3`\n\n## Vendor advisories\n\n- **RHSA-2025:6966** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9), Red Hat Enterprise Linux Real Time (v. 9) · released 2025-05-13 · [advisory](https://access.redhat.com/errata/RHSA-2025:6966)\n- **Red Hat VEX** · Moderate · 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 2026-09-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49994.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}