CVE-2022-50129
RDMA/srpt: Fix a use-after-free
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Fix a use-after-free Change the LIO port members inside struct srpt_port from regular members into pointers. Allocate the LIO port data structures from inside srpt_make_tport() and free these from inside srpt_make_tport(). Keep struct srpt_device as long as either an RDMA port or a LIO target port is associated with it. This patch decouples the lifetime of struct srpt_port (controlled by the RDMA core) and struct srpt_port_id (controlled by LIO). This patch fixes the following KASAN complaint: BUG: KASAN: use-after-free in srpt_enable_tpg+0x31/0x70 [ib_srpt] Read of size 8 at addr ffff888141cc34b8 by task check/5093 Call Trace: <TASK> show_stack+0x4e/0x53 dump_stack_lvl+0x51/0x66 print_address_description.constprop.0.cold+0xea/0x41e print_report.cold+0x90/0x205 kasan_report+0xb9/0xf0 __asan_load8+0x69/0x90 srpt_enable_tpg+0x31/0x70 [ib_srpt] target_fabric_tpg_base_enable_store+0xe2/0x140 [target_core_mod] configfs_write_iter+0x18b/0x210 new_sync_write+0x1f2/0x2f0 vfs_write+0x3e3/0x540 ksys_write+0xbb/0x140 __x64_sys_write+0x42/0x50 do_syscall_64+0x34/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 </TASK>
Timeline
ID reserved
By Linux
Published
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
Affected products
- affected a42d985bd5b234da8b61347a78dc3057bf7bb94d – < de95b52d9aabc979166aba81ccbe623aaf9c16a1
- affected a42d985bd5b234da8b61347a78dc3057bf7bb94d – < e60d7e2462bf57273563c4e00dbfa79ee973b9e2
- affected a42d985bd5b234da8b61347a78dc3057bf7bb94d – < 4ee8c39968a648d58b273582d4b021044a41ee5e
- affected a42d985bd5b234da8b61347a78dc3057bf7bb94d – < 388326bb1c32fcd09371c1d494af71471ef3a04b
- affected a42d985bd5b234da8b61347a78dc3057bf7bb94d – < b5605148e6ce36bb21020d49010b617693933128
- affected 3.3
- unaffected < 3.3
- unaffected 5.10.137 – ≤ 5.10.*
- unaffected 5.15.61 – ≤ 5.15.*
- unaffected 5.18.18 – ≤ 5.18.*
- unaffected 5.19.2 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (5)
- https://git.kernel.org/stable/c/de95b52d9aabc979166aba81ccbe623aaf9c16a1 (opens in a new tab)
- https://git.kernel.org/stable/c/e60d7e2462bf57273563c4e00dbfa79ee973b9e2 (opens in a new tab)
- https://git.kernel.org/stable/c/4ee8c39968a648d58b273582d4b021044a41ee5e (opens in a new tab)
- https://git.kernel.org/stable/c/388326bb1c32fcd09371c1d494af71471ef3a04b (opens in a new tab)
- https://git.kernel.org/stable/c/b5605148e6ce36bb21020d49010b617693933128 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2022-50129)Record last updated .