irqchip/gic-v3-its: Don't enable interrupts in its_irq_set_vcpu_affinity() (Linux Linux)

CVE-2024-57949
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.19 % · percentile 9 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Don't enable interrupts in its_irq_set_vcpu_affinity() The following call-chain leads to enabling interrupts in a nested interrupt disabled section: irq_set_vcpu_affinity() irq_get_desc_lock() raw_spin_lock_irqsave() <--- Disable interrupts its_irq_set_vcpu_affinity() guard(raw_spinlock_irq) <--- Enables interrupts when leaving the guard() irq_put_desc_unlock() <--- Warns because interrupts are enabled This was broken in commit b97e8a2f7130, which replaced the original raw_spin_[un]lock() pair with guard(raw_spinlock_irq). Fix the issue by using guard(raw_spinlock). [ tglx: Massaged change log ]

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 2458f2362f695584bd824c922caa07ffc4fe0d5c < d7b0e89610dd45ac6cf0d6f99bfa9ccc787db344 ; affected 5c0fb9cb404a2efbbc319ff9d1b877cf4e47e950 < 6c84ff2e788fce0099ee3e71a3ed258b1ca1a223 ; affected b97e8a2f7130a4b30d1502003095833d16c028b3 < 93955a7788121ab5a0f7f27e988b2ed1135a4866 ; affected b97e8a2f7130a4b30d1502003095833d16c028b3 < 35cb2c6ce7da545f3b5cb1e6473ad7c3a6f08310 ; affected c11039edbabdbccf0728844f1002d750d06f9eff ; affected 6.1.95 < 6.1.127
Linux · Linuxaffected 6.10 ; unaffected 0 < 6.10 ; unaffected 6.1.127 ≤ 6.1.* ; unaffected 6.6.74 ≤ 6.6.* ; unaffected 6.12.11 ≤ 6.12.* ; unaffected 6.13 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD