CVE-2025-21844
smb: client: Add check for next_buffer in receive_encrypted_standard()
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Mar 12, 2025 |
| Last Updated | May 12, 2026 |
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Affected Versions
Linux / Linux
b03c8099a738a04d2343547ae6a04e5f0f63d3fa < f277e479eea3d1aa18bc712abe1d2bf3dece2e30 858e73ff25639a0cc1f6f8d2587b62c045867e41 < f618aeb6cad2307e48a641379db610abcf593edf 9f528a8e68327117837b5e28b096f52af4c26a05 < 24e8e4523d3071bc5143b0db9127d511489f7b3b 534733397da26de0303057ce0b93a22bda150365 < 9e5d99a4cf2e23c716b44862975548415fae5391 eec04ea119691e65227a97ce53c0da6b9b74b0b7 < a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bd eec04ea119691e65227a97ce53c0da6b9b74b0b7 < 554736b583f529ee159aa95af9a0cbc12b5ffc96 eec04ea119691e65227a97ce53c0da6b9b74b0b7 < 860ca5e50f73c2a1cef7eefc9d39d04e275417f7
Linux / Linux
6.7
References
git.kernel.org: https://git.kernel.org/stable/c/f277e479eea3d1aa18bc712abe1d2bf3dece2e30 git.kernel.org: https://git.kernel.org/stable/c/f618aeb6cad2307e48a641379db610abcf593edf git.kernel.org: https://git.kernel.org/stable/c/24e8e4523d3071bc5143b0db9127d511489f7b3b git.kernel.org: https://git.kernel.org/stable/c/9e5d99a4cf2e23c716b44862975548415fae5391 git.kernel.org: https://git.kernel.org/stable/c/a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bd git.kernel.org: https://git.kernel.org/stable/c/554736b583f529ee159aa95af9a0cbc12b5ffc96 git.kernel.org: https://git.kernel.org/stable/c/860ca5e50f73c2a1cef7eefc9d39d04e275417f7 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-265688.html