Not rated
CVE-2021-47186 In the Linux kernel, the following vulnerability has been resolved: tipc: check for null after calling kmemdup kmemdup…
Description
In the Linux kernel, the following vulnerability has been resolved: tipc: check for null after calling kmemdup kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipc_crypto_key_xmit as can be seen in the trace [1]. [1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 5.16 | earliest → < 5.16 | 5.16 |
| Linux 5.15 | earliest → < 5.15.5 | 5.15.5 |
| Linux | 5.10 | 5.10.82 |
| linux_kernel 5.16 | earliest → < 5.16 | 5.16 |
| linux_kernel 5.15 | earliest → < 5.15.5 | 5.15.5 |
| linux_kernel 5.10 | earliest → < 5.10.82 | 5.10.82 |
| linux_kernel 1 | 1da177e4c3f4 → latest | 9404c4145542 |
References
- git.kernel.org git.kernel.org
- git.kernel.org git.kernel.org
- git.kernel.org git.kernel.org
Timeline
- Published
- Last modified
Other CVEs of Linux
The 18283 CVEs of Linux →
CVE-2026-99270
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix potential UAF in reqsk_timer_handler()
8.1
High
CVE-2026-99269
In the Linux kernel, the following vulnerability has been resolved: sched_ext: Wait for SCX_OPSS_DISPATCHING before…
7.8
High
CVE-2026-99261
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: correct reservation fence slots for…
Not rated
CVE-2026-99260
In the Linux kernel, the following vulnerability has been resolved: ntfs: fix resident conversion in ntfs_new_attr_flags…
Not rated