CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
Vulnerability summary
CVE-2024-50264 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 29% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 109 · Related 105Showing 100 of 114.
Timeline
- 19-11-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans During loopback communication, a dangling pointer can be created in vsk->trans, potentially leading to a Use-After-Free condition. This issue is resolved by initializing vsk->trans to NULL.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.35% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu131 products
- linux< 4.15.0-232.244 | < 5.4.0-204.224 | < 5.15.0-130.140 | < 6.8.0-51.52
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.15.0-1176.189 | < 5.4.0-1137.147 | < 5.15.0-1076.83 | < 6.8.0-1021.23
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Suse6 products
- kernel-livepatch-SLE15-SP3_Update_50&distro=SUSE Linux Enterprise Live Patching 15 SP3< 2-150300.7.6.1
- kernel-livepatch-SLE15-SP4_Update_33&distro=SUSE Linux Enterprise Live Patching 15 SP4< 2-150400.9.8.1
- kernel-livepatch-SLE15-SP6_Update_0&distro=SUSE Linux Enterprise Live Patching 15 SP6< 8-150600.4.16.1
- kernel-livepatch-SLE15-SP6_Update_5&distro=SUSE Linux Enterprise Live Patching 15 SP6< 2-150600.13.6.1
- kernel-livepatch-SLE15-SP6-RT_Update_0&distro=SUSE Linux Enterprise Live Patching 15 SP6< 7-150600.3.1
Linux2 products
- linux≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < 5f092a4271f6dccf88fe0d132475a17b69ef71df | ≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < fd8ae346692a56b4437d626c5460c7104980f389 | ≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < eb1bdcb7dfc30b24495ee4c5533af0ed135cb5f1 | ≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < 2a6a4e69f255b7aed17f93995691ab4f0d3c2203 | ≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < 44d29897eafd0e1196453d3003a4d5e0b968eeab | ≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < b110196fec44fe966952004bd426967c2a8fd358 | ≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < 5f970935d09934222fdef3d0e20c648ea7a963c1 | ≥ 06a8fc78367d070720af960dcecec917d3ae5f3b, < 6ca575374dd9a507cdd16dfa0e78c2e9e20bd05f | 4.8
- linux_kernel≥ 4.8, < 4.19.324 | ≥ 4.20, < 5.4.286 | ≥ 5.5, < 5.10.230 | ≥ 5.11, < 5.15.172 | ≥ 5.16, < 6.1.117 | ≥ 6.2, < 6.6.61 | ≥ 6.7, < 6.11.8 | 6.12:rc1 | 6.12:rc2 | 6.12:rc3 | 6.12:rc4 | 6.12:rc5 | 6.12:rc6
Debian1 product
- linux< 6.1.119-1 | < 6.11.9-1
4 vendors · 140 products