CVE-2022-49931
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
IB/hfi1: Correctly move list in sc_disable()
In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Correctly move list in sc_disable() Commit 13bac861952a ("IB/hfi1: Fix abba locking issue with sc_disable()") incorrectly tries to move a list from one list head to another. The result is a kernel crash. The crash is triggered when a link goes down and there are waiters for a send to complete. The following signature is seen: BUG: kernel NULL pointer dereference, address: 0000000000000030 [...] Call Trace: sc_disable+0x1ba/0x240 [hfi1] pio_freeze+0x3d/0x60 [hfi1] handle_freeze+0x27/0x1b0 [hfi1] process_one_work+0x1b0/0x380 ? process_one_work+0x380/0x380 worker_thread+0x30/0x360 ? process_one_work+0x380/0x380 kthread+0xd7/0x100 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 The fix is to use the correct call to move the list.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| d997d4e4365f7e59cf6b59c70f966c56d704b64f | affected | git | 25760a41e3802f54aadcc31385543665ab349b8e | Unavailable | None listed |
| d98883f6c33e0d960afedcecaa92fc2b61fec383 | affected | git | 7c4260f8f188df32414a5ecad63e8b934c2aa3f0 | Unavailable | None listed |
| 13bac861952a78664907a0f927d3e874e9a59034 | affected | git | ba95409d6b580501ff6d78efd00064f7df669926 | Unavailable | None listed |
| 13bac861952a78664907a0f927d3e874e9a59034 | affected | git | b8bcff99b07cc175a6ee12a52db51cdd2229586c | Unavailable | None listed |
| 13bac861952a78664907a0f927d3e874e9a59034 | affected | git | 1afac08b39d85437187bb2a92d89a741b1078f55 | Unavailable | None listed |
| 5d33bd6b4d4d035e42733592899918a18f2540da | affected | git | Unavailable | Unavailable | None listed |
| 5.4.157 | affected | semver | 5.4.224 | Unavailable | None listed |
| 5.10.77 | affected | semver | 5.10.154 | Unavailable | None listed |
| 5.14.16 | affected | semver | 5.15 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.15 | Unavailable | None listed |
| 5.4.224 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.154 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.78 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.8 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |