block: fix integer overflow in BLKSECDISCARD
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.1.128, 6.6.75, 6.10.14, 6.11.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 44abff2c0b970ae3d310b97617525dc01f248d7c · fixed in 8476f8428e8b48fd7a0e4258fa2a96a8f4468239; From 44abff2c0b970ae3d310b97617525dc01f248d7c · fixed in a99bacb35c1416355eef957560e8fcac3a665549; From 44abff2c0b970ae3d310b97617525dc01f248d7c · fixed in 0842ddd83939eb4db940b9af7d39e79722bc41aa; From 44abff2c0b970ae3d310b97617525dc01f248d7c · fixed in 6c9915fa9410cbb9bd75ee283c03120046c56d3d; From 44abff2c0b970ae3d310b97617525dc01f248d7c · fixed in 697ba0b6ec4ae04afb67d3911799b5e2043b4455
- Linux Linux
5.19
- KernelLinux
From 5.19.0 · fixed in 6.1.128; From 6.2.0 · fixed in 6.6.75; From 6.7.0 · fixed in 6.10.14; From 6.11.0 · fixed in 6.11.3