CVE-2022-49118: scsi: hisi_sas: Free irq vectors in order for v3 HW
Vulnerability summary
CVE-2022-49118 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.2% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 12-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: hisi_sas: Free irq vectors in order for v3 HW If the driver probe fails to request the channel IRQ or fatal IRQ, the driver will free the IRQ vectors before freeing the IRQs in free_irq(), and this will cause a kernel BUG like this: ------------[ cut here ]------------ kernel BUG at drivers/pci/msi.c:369! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Call trace: free_msi_irqs+0x118/0x13c pci_disable_msi+0xfc/0x120 pci_free_irq_vectors+0x24/0x3c hisi_sas_v3_probe+0x360/0x9d0 [hisi_sas_v3_hw] local_pci_probe+0x44/0xb0 work_for_cpu_fn+0x20/0x34 process_one_work+0x1d0/0x340 worker_thread+0x2e0/0x460 kthread+0x180/0x190 ret_from_fork+0x10/0x20 ---[ end trace b88990335b610c11 ]--- So we use devm_add_action() to control the order in which we free the vectors.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu108 products
- linuxAll versions (No fix recorded) | < 5.15.0-37.39
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1011.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e16963f378faf82d307cad2796953f198497c614, < 224903cc60d045576393c3b16907742f23e6c740 | ≥ e16963f378faf82d307cad2796953f198497c614, < f05a0d8de2ea49af36821a20b0b501e20ced937e | ≥ e16963f378faf82d307cad2796953f198497c614, < 8b6eab9d683bae7f88dc894b8c851f866032301c | ≥ e16963f378faf82d307cad2796953f198497c614, < b4cc04fa8f1fc3816c8494d77abab3f72b9d2292 | ≥ e16963f378faf82d307cad2796953f198497c614, < 554fb72ee34f4732c7f694f56c3c6e67790352a0 | 5.4
- linux_kernel≥ 4.5, < 5.10.111 | ≥ 5.11, < 5.15.34 | ≥ 5.16, < 5.16.20 | ≥ 5.17, < 5.17.3
Debian1 product
- linux< 5.17.3-1
3 vendors · 111 products