CVE-2024-49994block: fix integer overflow in BLKSECDISCARD
Updated under an hour ago ()
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It affects Linux and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: block: fix integer overflow in BLKSECDISCARD I independently rediscovered commit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 block: fix overflow in blk_ioctl_discard() but for secure erase. Same problem: uint64_t r[2] = {512, 18446744073709551104ULL}; ioctl(fd, BLKSECDISCARD, r); will enter near infinite loop inside blkdev_issue_secure_erase(): a.out: attempt to access beyond end of device loop0: rw=5, sector=3399043073, nr_sectors = 1024 limit=2048 bio_check_eod: 3286214 callbacks suppressed
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from 44abff2c0b970ae3d310b97617525dc01f248d7c before 8476f8428e8b48fd7a0e4258fa2a96a8f4468239; from 44abff2c0b970ae3d310b97617525dc01f248d7c before a99bacb35c1416355eef957560e8fcac3a665549; from 44abff2c0b970ae3d310b97617525dc01f248d7c before 0842ddd83939eb4db940b9af7d39e79722bc41aa; 44abff2c0b970ae3d310b97617525dc01f248d7c builds before 6c9915fa9410cbb9bd75ee283c03120046c56d3d; from 44abff2c0b970ae3d310b97617525dc01f248d7c before 697ba0b6ec4ae04afb67d3911799b5e2043b4455 | CNA record |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.6 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.6 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.6 | CISA ADP |
linux linux_kernel linux:linux_kernel | before 6.10.14; from 6.11 before 6.11.3 | NVD |
References
- https://git.kernel.org/stable/c/8476f8428e8b48fd7a0e4258fa2a96a8f4468239
- https://git.kernel.org/stable/c/a99bacb35c1416355eef957560e8fcac3a665549
- https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aapatch
- https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3dpatch
- https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.