CVE-2024-26876: drm/bridge: adv7511: fix crash on irq during probe
Vulnerability summary
CVE-2024-26876 is a medium (CVSS 5.5) Use of Uninitialized Resource vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 13.2% 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 11 · Related 11Timeline
- 17-04-2024PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/bridge: adv7511: fix crash on irq during probe Moved IRQ registration down to end of adv7511_probe(). If an IRQ already is pending during adv7511_probe (before adv7511_cec_init) then cec_received_msg_ts could crash using uninitialized data: Unable to handle kernel read from unreadable memory at virtual address 00000000000003d5 Internal error: Oops: 96000004 [#1] PREEMPT_RT SMP Call trace: cec_received_msg_ts+0x48/0x990 [cec] adv7511_cec_irq_process+0x1cc/0x308 [adv7511] adv7511_irq_process+0xd8/0x120 [adv7511] adv7511_irq_handler+0x1c/0x30 [adv7511] irq_thread_fn+0x30/0xa0 irq_thread+0x14c/0x238 kthread+0x190/0x1a8
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
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu117 products
- linuxAll versions (No fix recorded) | < 6.8.0-35.35
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 3b1b975003e4a3da4b93ab032487a3ae4afca7b5, < 67b92950912195b9c83e3d652d7eb3551741d850 | ≥ 3b1b975003e4a3da4b93ab032487a3ae4afca7b5, < 50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7 | ≥ 3b1b975003e4a3da4b93ab032487a3ae4afca7b5, < 955c1252930677762e0db2b6b9e36938c887445c | ≥ 3b1b975003e4a3da4b93ab032487a3ae4afca7b5, < 28a94271bd50e4cf498df0381f776f8ea40a289e | ≥ 3b1b975003e4a3da4b93ab032487a3ae4afca7b5, < aeedaee5ef5468caf59e2bb1265c2116e0c9a924 | 4.15
- linux_kernel≥ 4.15, < 6.6.55 | ≥ 6.7, < 6.7.11 | ≥ 6.8, < 6.8.2
Debian1 product
- linuxAll versions (No fix recorded) | < 6.7.12-1
3 vendors · 120 products
