- Vulnerability/
- CVE-2021-46960
CVE-2021-46960: cifs: Return correct error code from smb2_get_enc_key
First published: Tue Feb 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: cifs: Return correct error code from smb2_get_enc_key Avoid a warning if the error percolates back up: [440700.376476] CIFS VFS: \\otters.example.com crypt_message: Could not get encryption key [440700.386947] ------------[ cut here ]------------ [440700.386948] err = 1 [440700.386977] WARNING: CPU: 11 PID: 2733 at /build/linux-hwe-5.4-p6lk6L/linux-hwe-5.4-5.4.0/lib/errseq.c:74 errseq_set+0x5c/0x70 ... [440700.397304] CPU: 11 PID: 2733 Comm: tar Tainted: G OE 5.4.0-70-generic #78~18.04.1-Ubuntu ... [440700.397334] Call Trace: [440700.397346] __filemap_set_wb_err+0x1a/0x70 [440700.397419] cifs_writepages+0x9c7/0xb30 [cifs] [440700.397426] do_writepages+0x4b/0xe0 [440700.397444] __filemap_fdatawrite_range+0xcb/0x100 [440700.397455] filemap_write_and_wait+0x42/0xa0 [440700.397486] cifs_setattr+0x68b/0xf30 [cifs] [440700.397493] notify_change+0x358/0x4a0 [440700.397500] utimes_common+0xe9/0x1c0 [440700.397510] do_utimes+0xc5/0x150 [440700.397520] __x64_sys_utimensat+0x88/0xd0
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27
- https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec
- https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0
- https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f
- https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54
- https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20
- https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd
- https://launchpad.net/bugs/cve/CVE-2021-46960
- https://git.kernel.org/linus/83728cbf366e334301091d5b808add468ab46b27
- https://security-tracker.debian.org/tracker/CVE-2021-46960
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46960
- https://nvd.nist.gov/vuln/detail/CVE-2021-46960
- https://ubuntu.com/security/CVE-2021-46960
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