CVEvulnerability
CVE-2022-47943
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-12-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Weaknesses
- CWE-125
Description
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.
Affected configurations
• linux linux kernel (>= 5.15 < 5.15.62)
• linux linux kernel (>= 5.16 < 5.18.18)
• linux linux kernel (>= 5.19 < 5.19.2)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://www.openwall.com/lists/oss-security/2022/12/23/10 Mailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 Mailing List, Patch, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09 Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230216-0006/ Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1691/ Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2022/12/23/10 Mailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 Mailing List, Patch, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09 Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230216-0006/ Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1691/ Third Party Advisory, VDB Entry