CVE-2025-21844
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb: client: Add check for next_buffer in receive_encrypted_standard()
Add check for the return value of cifs_buf_get() and cifs_small_buf_get() in receive_encrypted_standard() to prevent null pointer dereference.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b03c8099a738a04d2343547ae6a04e5f0f63d3fa < f277e479eea3d1aa18bc712abe1d2bf3dece2e30 | affected |
| Linux | Linux | 858e73ff25639a0cc1f6f8d2587b62c045867e41 < f618aeb6cad2307e48a641379db610abcf593edf | affected |
| Linux | Linux | 9f528a8e68327117837b5e28b096f52af4c26a05 < 24e8e4523d3071bc5143b0db9127d511489f7b3b | affected |
| Linux | Linux | 534733397da26de0303057ce0b93a22bda150365 < 9e5d99a4cf2e23c716b44862975548415fae5391 | affected |
| Linux | Linux | eec04ea119691e65227a97ce53c0da6b9b74b0b7 < a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bd | affected |
| Linux | Linux | eec04ea119691e65227a97ce53c0da6b9b74b0b7 < 554736b583f529ee159aa95af9a0cbc12b5ffc96 | affected |
| Linux | Linux | eec04ea119691e65227a97ce53c0da6b9b74b0b7 < 860ca5e50f73c2a1cef7eefc9d39d04e275417f7 | affected |
| Linux | Linux | 5.10.211 < 5.10.235 | affected |
| Linux | Linux | 5.15.150 < 5.15.179 | affected |
| Linux | Linux | 6.1.69 < 6.1.130 | affected |
| Linux | Linux | 6.6.8 < 6.6.80 | affected |
| Linux | Linux | 6.7 | affected |
| Linux | Linux | 0 < 6.7 | unaffected |
| Linux | Linux | 5.10.235 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.179 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.130 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.80 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.17 <= 6.12.* | unaffected |
| Linux | Linux | 6.13.5 <= 6.13.* | unaffected |
| Linux | Linux | 6.14 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
Additional References
References
- https://git.kernel.org/stable/c/f277e479eea3d1aa18bc712abe1d2bf3dece2e30
- https://git.kernel.org/stable/c/f618aeb6cad2307e48a641379db610abcf593edf
- https://git.kernel.org/stable/c/24e8e4523d3071bc5143b0db9127d511489f7b3b
- https://git.kernel.org/stable/c/9e5d99a4cf2e23c716b44862975548415fae5391
- https://git.kernel.org/stable/c/a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bd
- https://git.kernel.org/stable/c/554736b583f529ee159aa95af9a0cbc12b5ffc96
- https://git.kernel.org/stable/c/860ca5e50f73c2a1cef7eefc9d39d04e275417f7
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