{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89879","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.772Z","datePublished":"2026-09-16T10:31:45.564Z","dateUpdated":"2026-09-16T10:31:45.564Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:31:45.564Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: bound JPEG frame size before copying into the buffer\n\ns2255_fillbuff() memcpy()s vc->jpg_size bytes of a captured JPEG/MJPEG\nframe into the vb2 plane.  vc->jpg_size is taken verbatim from the\nS2255_MARKER_FRAME header the device sends (pdword[4] in save_frame())\nand, unlike the frame payload length just above it, is never bounded:\n\n\tpayload = le32_to_cpu(pdword[3]);\n\tif (payload > vc->req_image_size)\t/* payload is checked ... */\n\t\treturn -EINVAL;\n\tvc->pkt_size = payload;\n\tvc->jpg_size = le32_to_cpu(pdword[4]);\t/* ... jpg_size is not */\n\nA malicious or malfunctioning device can therefore report a jpg_size\nlarger than the destination vb2 plane, and the memcpy() writes past it.\njpg_size is a signed int, so a value with the top bit set also turns\ninto a huge length.\n\nReject a frame whose jpg_size is negative or exceeds the plane size\nbefore copying it."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/s2255/s2255drv.c"],"versions":[{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"32a595dd3e8634544e5cfbc47f906dff3d3c1ef8","status":"affected","versionType":"git"},{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"4b6f7bccc6559ae5c54573c284fe76eafc9989b2","status":"affected","versionType":"git"},{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"2542516a147bfad740e7e411c251b639fad260ff","status":"affected","versionType":"git"},{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"79f58f900dd221ab04ea74bf4eaf79fa3b0fcc77","status":"affected","versionType":"git"},{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"d2ecaaab6a4f165abb54cdf61be60030b5782bf8","status":"affected","versionType":"git"},{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"68d664f1b4efe525e99154b7058fcb0378bdaff7","status":"affected","versionType":"git"},{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"dd739517560c8d0ec4463a53e717bf40b988d7da","status":"affected","versionType":"git"},{"version":"38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7","lessThan":"e504cc888f42999dd76b6a43788c422610f2aad2","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/s2255/s2255drv.c"],"versions":[{"version":"2.6.27","status":"affected"},{"version":"0","lessThan":"2.6.27","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","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":"2.6.27","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/32a595dd3e8634544e5cfbc47f906dff3d3c1ef8"},{"url":"https://git.kernel.org/stable/c/4b6f7bccc6559ae5c54573c284fe76eafc9989b2"},{"url":"https://git.kernel.org/stable/c/2542516a147bfad740e7e411c251b639fad260ff"},{"url":"https://git.kernel.org/stable/c/79f58f900dd221ab04ea74bf4eaf79fa3b0fcc77"},{"url":"https://git.kernel.org/stable/c/d2ecaaab6a4f165abb54cdf61be60030b5782bf8"},{"url":"https://git.kernel.org/stable/c/68d664f1b4efe525e99154b7058fcb0378bdaff7"},{"url":"https://git.kernel.org/stable/c/dd739517560c8d0ec4463a53e717bf40b988d7da"},{"url":"https://git.kernel.org/stable/c/e504cc888f42999dd76b6a43788c422610f2aad2"}],"title":"media: s2255: bound JPEG frame size before copying into the buffer","x_generator":{"engine":"bippy-1.2.0"}}}}