Answer in brief
CVE-2024-38385 records a Unknown severity vulnerability in genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=721255b9826bd11c7a38b585905fc2dd0fb94e52 <1c7891812d85500ae2ca4051fa5683fcf29930d8 || >=721255b9826bd11c7a38b585905fc2dd0fb94e52 <d084aa022f84319f8079e30882cbcbc026af9f21 || >=721255b9826bd11c7a38b585905fc2dd0fb94e52 <b84a8aba806261d2f759ccedf4a2a6a80a5e55ba | 1c7891812d85500ae2ca4051fa5683fcf29930d8, d084aa022f84319f8079e30882cbcbc026af9f21, b84a8aba806261d2f759ccedf4a2a6a80a5e55ba |
| Linux/Linuxgeneric | 6.5 | Not reported |
Published upstream
Jun 25, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after() irq_find_at_or_after() dereferences the interrupt descriptor which is returned by mt_find() while neither holding sparse_irq_lock nor RCU read lock, which means the descriptor can be freed between mt_find() and the dereference: CPU0 CPU1 desc = mt_find() delayed_free_desc(desc) irq_desc_get_irq(desc) The use-after-free is reported by KASAN: Call trace: irq_get_next_irq+0x58/0x84 show_stat+0x638/0x824 seq_read_iter+0x158/0x4ec proc_reg_read_iter+0x94/0x12c vfs_read+0x1e0/0x2c8 Freed by task 4471: slab_free_freelist_hook+0x174/0x1e0 __kmem_cache_free+0xa4/0x1dc kfree+0x64/0x128 irq_kobj_release+0x28/0x3c kobject_put+0xcc/0x1e0 delayed_free_desc+0x14/0x2c rcu_do_batch+0x214/0x720 Guard the access with a RCU read lock section.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2024-38385 records a Unknown severity vulnerability in genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=721255b9826bd11c7a38b585905fc2dd0fb94e52 <1c7891812d85500ae2ca4051fa5683fcf29930d8 || >=721255b9826bd11c7a38b585905fc2dd0fb94e52 <d084aa022f84319f8079e30882cbcbc026af9f21 || >=721255b9826bd11c7a38b585905fc2dd0fb94e52 <b84a8aba806261d2f759ccedf4a2a6a80a5e55ba | 1c7891812d85500ae2ca4051fa5683fcf29930d8, d084aa022f84319f8079e30882cbcbc026af9f21, b84a8aba806261d2f759ccedf4a2a6a80a5e55ba |
| Linux/Linuxgeneric | 6.5 | Not reported |
Published upstream
Jun 25, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after() irq_find_at_or_after() dereferences the interrupt descriptor which is returned by mt_find() while neither holding sparse_irq_lock nor RCU read lock, which means the descriptor can be freed between mt_find() and the dereference: CPU0 CPU1 desc = mt_find() delayed_free_desc(desc) irq_desc_get_irq(desc) The use-after-free is reported by KASAN: Call trace: irq_get_next_irq+0x58/0x84 show_stat+0x638/0x824 seq_read_iter+0x158/0x4ec proc_reg_read_iter+0x94/0x12c vfs_read+0x1e0/0x2c8 Freed by task 4471: slab_free_freelist_hook+0x174/0x1e0 __kmem_cache_free+0xa4/0x1dc kfree+0x64/0x128 irq_kobj_release+0x28/0x3c kobject_put+0xcc/0x1e0 delayed_free_desc+0x14/0x2c rcu_do_batch+0x214/0x720 Guard the access with a RCU read lock section.
Quoted source text, attributed separately from HOL analysis.