CVE-2024-49975
uprobes: fix kernel info leak via "[uprobes]" vma
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: uprobes: fix kernel info leak via "[uprobes]" vma xol_add_vma() maps the uninitialized page allocated by __create_xol_area() into userspace. On some architectures (x86) this memory is readable even without VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ, although this doesn't really matter, debugger can read this memory anyway.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.5
References 9
git.kernel.org
- stable/c/f31f92107e5a8ecc8902705122c594e979a351fe
- stable/c/fe5e9182d3e227476642ae2b312e2356c4d326a3
- stable/c/f561b48d633ac2e7d0d667020fc634a96ade33a0
- stable/c/21cb47db1ec9765f91304763a24565ddc22d2492
- stable/c/24141df5a8615790950deedd926a44ddf1dfd6d8
- stable/c/5b981d8335e18aef7908a068529a3287258ff6d8
- stable/c/2aa45f43709ba2082917bd2973d02687075b6eee
- stable/c/9634e8dc964a4adafa7e1535147abd7ec29441a6
- stable/c/34820304cc2cd1804ee1f8f3504ec77813d29c8e