CVE-2024-53241: x86/xen: don't do PV iret hypercall through hypercall page
Vulnerability summary
CVE-2024-53241 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 23.9% 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 25 · Related 16Timeline
- 24-12-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer using hypercall page at all, as it has shown to cause problems with speculation mitigations. This is part of XSA-466 / CVE-2024-53241.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.31% 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.
Ubuntu170 products
- linuxAll versions (No fix recorded) | < 5.15.0-135.146 | < 6.8.0-60.63
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1080.87 | < 6.8.0-1029.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ cdacc1278b12d929f9a053c245ff3d16eb7af9f8, < 05df6e6cd9a76b778aee33c3c18c9f3b3566d4a5 | ≥ cdacc1278b12d929f9a053c245ff3d16eb7af9f8, < c7b4cfa6213a44fa48714186dfdf125072d036e3 | ≥ cdacc1278b12d929f9a053c245ff3d16eb7af9f8, < fa719857f613fed94a79da055b13ca51214c694f | ≥ cdacc1278b12d929f9a053c245ff3d16eb7af9f8, < 82c211ead1ec440dbf81727e17b03b5e3c44b93d | ≥ cdacc1278b12d929f9a053c245ff3d16eb7af9f8, < f7c3fdad0a474062d566aae3289d490d7e702d30 | ≥ cdacc1278b12d929f9a053c245ff3d16eb7af9f8, < a2796dff62d6c6bfc5fbebdf2bee0d5ac0438906 | 2.6.27
- linux_kernel< 5.10.232 | ≥ 5.11, < 5.15.175 | ≥ 5.16, < 6.1.121 | ≥ 6.2, < 6.6.67 | ≥ 6.7, < 6.12.6 | 6.13:rc1 | 6.13:rc2 | 6.13:rc3
Suse2 products
- xen&distro=SUSE Linux Enterprise Module for Basesystem 15 SP6< 4.18.4_02-150600.3.15.2
- xen&distro=SUSE Linux Enterprise Module for Server Applications 15 SP6< 4.18.4_02-150600.3.15.2
Debian1 product
- linux< 6.1.123-1 | < 6.12.6-1
Opensuse1 product
- xen&distro=openSUSE Leap 15.6< 4.18.4_02-150600.3.15.2
5 vendors · 176 products
References
21 links- xenbits.xen.org/xsa/advisory-466.htmlThird Party Advisory
- www.openwall.com/lists/oss-security/2024/12/17/2Mailing List
- www.openwall.com/lists/oss-security/2024/12/23/1Mailing List
- www.openwall.com/lists/oss-security/2025/01/05/1Mailing List
Show all 21 references
- www.openwall.com/lists/oss-security/2025/01/05/2Mailing List