{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-52526","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-20T12:30:33.318Z","datePublished":"2024-03-02T21:52:32.261Z","dateUpdated":"2025-05-04T07:38:36.326Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:38:36.326Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix memory leak of LZMA global compressed deduplication\n\nWhen stressing microLZMA EROFS images with the new global compressed\ndeduplication feature enabled (`-Ededupe`), I found some short-lived\ntemporary pages weren't properly released, which could slowly cause\nunexpected OOMs hours later.\n\nLet's fix it now (LZ4 and DEFLATE don't have this issue.)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/decompressor_lzma.c"],"versions":[{"version":"5c2a64252c5dc4cfe78e5b2a531c118894e3d155","lessThan":"6a5a8f0a9740f865693d5aa97a42cc4504538e18","status":"affected","versionType":"git"},{"version":"5c2a64252c5dc4cfe78e5b2a531c118894e3d155","lessThan":"c955751cbf864cf2055117dd3fe7f780d2a57b56","status":"affected","versionType":"git"},{"version":"5c2a64252c5dc4cfe78e5b2a531c118894e3d155","lessThan":"75a5221630fe5aa3fedba7a06be618db0f79ba1e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/erofs/decompressor_lzma.c"],"versions":[{"version":"6.1","status":"affected"},{"version":"0","lessThan":"6.1","status":"unaffected","versionType":"semver"},{"version":"6.1.57","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.7","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.5.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6a5a8f0a9740f865693d5aa97a42cc4504538e18"},{"url":"https://git.kernel.org/stable/c/c955751cbf864cf2055117dd3fe7f780d2a57b56"},{"url":"https://git.kernel.org/stable/c/75a5221630fe5aa3fedba7a06be618db0f79ba1e"}],"title":"erofs: fix memory leak of LZMA global compressed deduplication","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52526","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-03-04T14:37:17.181611Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:23:24.983Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:03:20.817Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/6a5a8f0a9740f865693d5aa97a42cc4504538e18","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c955751cbf864cf2055117dd3fe7f780d2a57b56","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/75a5221630fe5aa3fedba7a06be618db0f79ba1e","tags":["x_transferred"]}]}]}}